To fix the media volume issue on the ZTE Blade A72 5G where videos have no sound, follow these steps:

1. Open Settings on your phone.
2. Tap Sound.
3. Adjust the media volume slider to increase the volume.
4. Check if Silent Mode or Do Not Disturb Mode is enabled and disable them if necessary.
5. Ensure that the video is not muted and the volume is turned up in the media player.

If the issue persists, restart the phone or try playing a different video to check if the problem is specific to one file or app.

This answer is automatically generated

rayi

February 28, 2025

@Mr. Anderson, Thank you very much, it works

Summary of Contents for Zte Blade A72 5G

Page 1 ZTE Blade A72 5G User Manual...
Page 2 About This Manual Thank you for choosing this ZTE mobile device. In order to keep your device in its best condition, please read this manual and keep it for future reference. Copyright Copyright © 2022 ZTE CORPORATION All rights reserved.
Page 3 Images and screenshots used in this manual may differ from the actual product. Content in this manual may differ from the actual product or software. Trademarks ZTE and the ZTE logos are trademarks of ZTE Corporation. Android™ is a trademark of Google LLC. The Bluetooth ®...
Page 4 Instructional Icons Additional information, supplementary NOTE instruction or tips for the operation of the product. Safety information that, if ignored, may CAUTION cause minor damage to the equipment or service interruption. Safety information that, if ignored, may WARNING cause serious damage to the equipment or danger to personal safety.
Page 5: Table Of Contents
Contents Exciting New Features .......... 11 Face Recognition ............... 11 Fingerprint Identification ............ 11 Camera Features ............... 11 High Screen Refresh Rate ..........12 Adaptive 5G ............... 12 Phone Switch ..............12 Nearby Share ..............
Page 6 Using Do Not Disturb Mode ..........26 Choosing Your Wallpaper ..........27 Changing the Theme ............28 Setting Screen Refresh Rate ..........28 Using Dark Mode ............... 29 Using Read Mode .............. 29 Using Night Light ...............
Page 7 Connecting to Networks ........47 Connecting to Mobile Networks ......... 47 Connecting to Wi-Fi ............50 Connecting to Devices .......... 52 Connecting to Bluetooth Devices ........52 Exchanging Data via NFC ..........53 Connecting to Your Computer via USB ......
Page 8 Message Options .............. 69 Camera ..............71 Capturing a Photo ............. 71 Recording a Video ............. 73 Using Macro Camera Mode ..........75 Using AI Scene Recognition ..........75 Using PORTRAIT Mode ............ 76 ...
Page 9 Connected Devices ............86 Home Screen & Lock Screen..........87 Notification & Status Bar ............ 88 Display ................88 Sound ................88 SyncMind ................88 Features ................89 Security ................91 Apps ..................
Page 10 Explosive Environments ..........112 Disposal of Your Old Appliance ......114 EU DECLARATION OF CONFORMITY ....115 ErP Conformity ............. 116 ...
Page 11: Exciting New Features
Exciting New Features Face Recognition Your phone can automatically turn on the screen and recognize your face to unlock the screen each time you raise your phone. Fingerprint Identification With the fingerprint sensor on the Power key of your phone, you can register up to 5 fingerprints and use them to unlock the phone, or open a bound app when the screen is off or locked.
Page 12: High Screen Refresh Rate
High Screen Refresh Rate You can set the screen refresh rate to 90 Hz or 60 Hz. A higher screen refresh rate will help deliver a smoother visual experience, which may consume more battery power. Adaptive 5G With the Adaptive 5G feature, your phone can automatically switch between 5G and 4G networks to save battery power according to the app running status and mobile data speed.
Page 13: Getting Started
Getting Started Getting to Know Your Phone Proximity & Earpiece light sensor Indicator light Front camera Volume key Power key/ Fingerprint sensor Touch screen Headset Speaker jack...
Page 14 Back cameras and flash nano-SIM/ microSDXC card tray NFC area Charging/USB Type-C jack...
Page 15: Knowing The Keys
Knowing the Keys Function  Press and hold to power off or restart. Power key/  Press to turn off or on the screen display. Fingerprint  Touch to unlock the phone if a fingerprint is sensor registered. See Using Your Fingerprint.
Page 16 1. Insert the tip of the tray eject tool into the hole on the card tray. CAUTION: Never replace the included tray eject tool with sharp objects. Ensure that the tray eject tool is perpendicular to the hole. Otherwise, the phone may be damaged.
Page 17: Charging The Phone
You should fully charge the battery as soon as possible. WARNING! Use only ZTE-approved chargers and USB Type-C cables. The use of unapproved accessories could damage your phone or cause the battery to explode.
Page 18 WARNING! Do not remove the back cover. The battery is not removable. Removal may cause fire or explosion. 1. Connect the adapter to the charging jack. Do not force the connector into the jack. 2. Connect the charger to a standard AC power outlet. If the phone is on, you’ll see a charging icon such as appear on the status bar.
Page 19: Powering On/Off
NOTE: If the battery is extremely low, you may be unable to power on the phone even when it is being charged. In this case, try again after charging the phone for at least 20 minutes. Contact the customer service if you still cannot power on the phone after prolonged charging.
Page 20: Locking/Unlocking The Screen And Keys
Locking/Unlocking the Screen and Keys Your phone allows you to quickly lock the screen and keys (put the phone to sleep mode) when not in use and to turn the screen back on and unlock it when you need it. To lock the screen and keys: To quickly turn the screen off and lock the keys, press the Power key.
Page 21: Getting To Know The Home Screen
NOTE: You can swipe up on to use the flash and voice recorder, or swipe up on to open the camera. Getting to Know the Home Screen Your home screen is extendable, providing more space for apps, widgets, or folders. Simply swipe left or right on the home screen to see the extended panels.
Page 22: Personalizing
Personalizing Selecting the Home Screen Mode You can change the home screen mode by displaying all apps on the home screen or in the app list, or use a simple home screen layout. 1. Touch and hold an empty place on the home screen and touch Settings.
Page 23: Setting The Navigation Style
Setting the Navigation Style You can set the navigation style as virtual navigation or gesture navigation. Use Virtual Navigation To enable virtual navigation: 1. Open Settings and touch Features > System navigation. 2. Select Virtual navigation. NOTE: Touch beside Virtual navigation to change the navigation key layout, or turn on or off the concealable navigation bar.
Page 24 Use Gesture Navigation To enable gesture navigation: 1. Open Settings and touch Features > System navigation. 2. Select Gestures. NOTE: Touch beside Gestures to set whether you can open the Google Assistant when using gesture navigation, enable the avoid mis-operation option, display or hide the bottom indicator, and adjust the back sensitivity of screen edges for gesture navigation.
Page 25: Changing The System Language
Changing the System Language Open Settings and touch System > Languages and input > Languages. The first language in the list is the default system language. Touch Add a language and then the language you need. Select the regional variant of the language if prompted. Touch and hold a language and move it to the top to switch to that language.
Page 26: Using Do Not Disturb Mode
 Swipe down from the status bar to open the notification panel and drag the panel downwards. Touch Ring, Vibrate, or Silent to switch the phone to vibration or silent mode or turn on the sound.  Open Settings and touch Sound > Sound mode, and then select Vibrate or Silent to switch to vibration or silent mode.
Page 27: Choosing Your Wallpaper
Open Settings and touch Sound > Do Not Disturb > Schedules. Touch an existing schedule to turn it on or off, or touch next to the schedule to customize it. - or - Touch Add more to create your own schedules. Set How Long Do Not Disturb Mode Lasts Open Settings and touch Sound >...
Page 28: Changing The Theme
2. Select a preset wallpaper, or touch GALLERY to select a picture and pan and zoom on it to select the area for the wallpaper. 3. Touch SET AS and choose where the wallpaper should be used. NOTE: Alternatively, you can open Settings and touch Home screen & lock screen >...
Page 29: Using Dark Mode
Using Dark Mode When Dark mode is enabled, your phone will turn the screen to dark with white text on a black background, relieving eye irritation caused by screen glare at night. 1. Open Settings and touch Display > Dark mode. 2.
Page 30: Using Night Light
To enable Read mode for certain apps: 1. Open Settings and touch Display > Read mode. 2. Switch on Custom apps and ensure that For entire device is turned off. 3. Touch Add apps to this mode. 4. Select the apps you want to use in Read mode and touch ADD. Using Night Light You can enable Night Light to tint the screen amber and reduce the intensity of bright colours for eye protection, or set a schedule...
Page 31: Using One-Handed Mode
Enabling full-screen display may cause the apps to be stretched improperly and some UI elements of the apps may disappear behind the notch. To make an app adapt to display in full screen manually: 1. Open Settings and touch Display > Full-screen display settings.
Page 32: Using The Phone Storage As The Extended Ram
Using the Phone Storage as the Extended RAM The phone’s Random Access Memory (RAM) is used to handle all active tasks and apps. You can set part of the phone storage as the extended RAM when your phone storage is sufficient, and the phone will run more smoothly.
Page 33: Knowing The Basics
Knowing the Basics Phone Status Icons The status bar at the top of the home screen provides phone and service status icons on the right side. Below are some of the icons you may see. 3G connected No signal 4G connected Signal strength 5G connected Mobile data in use...
Page 34: Notification Icons
Notification Icons The status bar at the top of the home screen provides notification icons on the left. Below are some of the icons you may see. New message(s) from New Wi-Fi network the Messages app detected Missed call USB connected microSDXC card Call in progress mounted...
Page 35: Using App Shortcuts
To customize the Quick Settings panel: You can add, remove or rearrange the tiles on the Quick Settings panel. 1. Open the Quick Settings panel. 2. Touch at the top and do one of the following. Touch and hold a tile and drag it to the position you want. ...
Page 36: Notification Dots
NOTE: You can also touch and hold a function with the icon next to it, and drag it to a home screen panel to create a shortcut of the function. Notification Dots Some apps will display a dot when they have notifications. Touch and hold an app with a dot on the home screen to preview its notifications.
Page 37: Switching Apps
To turn on/off notification dots for specific apps: 1. Open Settings and touch Notification & status bar > Home screen badge app icon. 2. Touch the On/Off switch to turn it on. 3. Open Settings and touch Apps > SEE ALL [number] APPS. 4.
Page 38: Hiding Apps
Hiding Apps When the home screen mode is set to Display Home screen only (see Selecting the Home Screen Mode), you can hide the apps on the home screen. 1. Spread on the home screen to access the Hidden apps screen.
Page 39: Using Split-Screen Mode
To align the apps on a home screen panel automatically: 1. Touch and hold an empty place on the home screen. 2. Check any app on the home screen to show the home screen thumbnails at the bottom. 3. Swipe left or right to select the home screen panel you want to organize.
Page 40: Security
Security Protecting Your Phone With Screen Locks You can protect your phone by creating a screen lock. When it is enabled, you need to swipe up on the screen, draw a pattern or enter a numeric PIN or password to unlock the phone’s screen and keys.
Page 41: Using Your Fingerprint
Using Your Fingerprint With the fingerprint sensor on the Power key of your phone, you can register up to 5 fingerprints and use them to unlock the phone or open a bound app when the screen is off or locked. You can also use the touch-controlled function.
Page 42: Using Face Recognition
Set Fingerprint Functions 1. Open Settings and touch Security > Fingerprint > Fingerprint management. 2. Enter the screen lock pattern, PIN or password you set. 3. You can set the following options. Wake up and unlock your phone: Unlock the phone ...
Page 43 you will need to enter the pattern, PIN or password for authentication). You can go to the security settings of face recognition, and change the security level to normal (which means that you will need to enter the screen lock pattern, PIN or password every 72 hours), and this may lower the phone security.
Page 44 Use Face Recognition to Unlock the Screen After creating your face, you can unlock the screen with face recognition. 1. Press the Power key to turn on the screen display if the screen is off. NOTE: You can also pick up your phone to turn on the screen. To enable this feature, open Settings and touch Features >...
Page 45: Protecting Your Phone With App Pinning
Screen brightness compensation: If this option is  enabled, the phone will increase screen brightness automatically in a dim light to help verify your face. Delete facial data: Delete your recorded face data.  Security settings: Change the security level to high or ...
Page 46 Pin an App 1. Ensure that app pinning is turned on. 2. Open the recent apps list. If the app you want to keep in view is not in recent apps, open it first. 3. Swipe left or right to find the app card. Then touch at the top of the card and select Pin.
Page 47: Connecting To Networks
Connecting to Networks Connecting to Mobile Networks Manage the nano-SIM Cards When two nano-SIM cards are installed, you can turn off one of them, or choose the default card for calling and data. To turn on or off a card: 1.
Page 48  When two nano-SIM cards are installed, you can allow the non-data SIM card to temporarily use mobile data as it is connected to a VoLTE call. Switch on Allow network access while in call to enable this feature. VoLTE support depends on your mobile service provider.
Page 49 1. Open Settings and touch Mobile network > Mobile data. 2. Select a card if two nano-SIM cards are installed. 3. Touch Adaptive 5G and turn on the switch at the top. 4. You can also touch Add Application and add apps to the 5G preferred list, which will make them always connect to 5G networks when the phone screen is on and the apps are running in the foreground.
Page 50: Connecting To Wi-Fi
4. Touch each item to enter the information you get from your service provider. 5. Touch > Save to complete. NOTE: To set the APN to default settings, touch > Reset to default. Connecting to Wi-Fi Wi-Fi is a wireless networking technology that can provide Internet access at distances of up to 100 meters, depending on the Wi-Fi router and your surroundings.
Page 51 screen and switch on Auto-switch to mobile network. Additional charges may occur.
Page 52: Connecting To Devices
Connecting to Devices Connecting to Bluetooth Devices Bluetooth is a short-range wireless communication technology. Phones or other devices with Bluetooth capabilities can exchange information wirelessly within a distance of a few meters. The Bluetooth devices must be paired before the communication is performed.
Page 53: Exchanging Data Via Nfc
Exchanging Data via NFC Near Field Communication (NFC) allows your phone to make contactless payments with NFC-enabled terminals when they touch each other or in close proximity. Depending on the applications that you have installed on your phone, you might be able to use your phone as a transit pass or as an access pass.
Page 54 If you are using USB tethering, you must turn that off before you can use USB to transfer files between your phone and computer. Connect Your Phone to a Computer via USB 1. Connect your phone to the computer with a USB cable. 2.
Page 55: Sharing Files With Nearby Devices
Sharing Files With Nearby Devices With Nearby Share, you can share photos, videos, and documents with nearby devices via Bluetooth or Wi-Fi. Turn Sharing On or Off 1. On your phone, make sure Bluetooth, Wi-Fi and Location are turned on. See Connecting to Bluetooth Devices, Connecting...
Page 56 6. On your phone, your friend’s device name will appear and touch the device name to send the content. 7. Accept the sharing on your friend’s device. Get Content From Someone 1. Ask your friend to follow the “Share Content With Someone”...
Page 57: Using Usb On-The-Go (Otg)
Contacts: Your phone is visible to your nearby contacts  while your phone screen is on and unlocked. Hidden: Your phone is only visible while Nearby Share is  turned on and you need to make your phone visible manually. Set Data Usage for Sharing 1.
Page 58: Sharing Your Mobile Data Connection Through Tethering
Sharing Your Mobile Data Connection Through Tethering You can use tethering to share your phone’s Internet connection with a computer that connects to your phone via USB cable or by Bluetooth. NOTE: You cannot transfer files between your phone and the computer when the phone is USB tethered.
Page 59: Phone Calls
Phone Calls Placing Calls Place a Call by Dialing 1. From the home screen, touch 2. Touch to open the dialer and enter the phone number or the contact name with the dialpad. Touch to delete incorrect digits. NOTE: As you enter the phone number or the contact name, your phone searches for matching information in your contacts.
Page 60 Place a Call From the Call History The call history is a list of all the calls you've placed, received, or missed. It provides a convenient way to redial a number, return a call, or add a number to your contacts. From the home screen, touch >...
Page 61: Answering Or Rejecting Calls
Answering or Rejecting Calls Answer a Call When you receive a phone call, slide up to answer the call. - or - If the screen is unlocked, touch ANSWER. NOTE: To silence the ringer before answering the call, press either end of the Volume key.
Page 62  Touch to turn on or off the speaker.  Touch to mute or unmute your microphone.  Touch to switch to the keypad when you need to enter a code (for example, the PIN for your voicemail or bank account) during the call.
Page 63: Managing Multi-Party Calls
Managing Multi-party Calls When the call waiting and conference call features are available, you can switch between two calls or set up a conference call. NOTE: The call waiting and conference call features need network support and may result in additional charges. Please contact your service provider for more information.
Page 64 Set Up a Conference Call With this feature, you can talk to multiple people at the same time. 1. Place the first call. 2. Once you have established the connection, answer an incoming call or touch and dial the second number. This puts the first caller on hold.
Page 65: Contacts
Contacts You can add contacts on your phone and synchronize them with the contacts in your Google account. To see your contacts, touch Google (folder) > Contacts from the home screen. Adding a New Contact 1. Open Contacts. 2. Touch to add a new contact.
Page 66: Setting A Ringtone For A Contact
4. Check the contacts you need and then touch Import. Import Contacts From the Phone Storage or the microSDXC Card 1. Open Contacts. 2. Touch > Settings > Import. 3. Select .vcf file and touch OK. 4. Touch and find the vCard file(s) on the phone storage or microSDXC card and touch one to import contacts.
Page 67: Setting Call Blocking
3. Select a ringtone, music file, or recording you like and touch Setting Call Blocking The call blocking feature allows you to block calls and messages from certain numbers. 1. Open Contacts. 2. Touch > Settings > Blocked numbers. 3. Touch Add a number. 4.
Page 68: Messages
Messages You can use Messages to exchange text messages (SMS), multimedia messages (MMS), and chat messages. Sending a Message 1. From the home screen, touch 2. Touch Start chat. 3. Add recipients by one of the following ways. Manually enter the recipient’s number or contact name. ...
Page 69: Message Options
5. If you want to send a multimedia message, touch select existing photos/videos or shoot new ones and add them to the message, touch to share contacts or add location or files, or touch and hold to add a voice recording.
Page 70  Touch to pin the thread to the top of your message list, so you can find it quickly. You can pin up to 3 threads. Touch to unpin the thread.  Touch to archive the thread. You can touch >...
Page 71: Camera
Camera Capturing a Photo 1. Open the Camera app. 2. Aim the camera at the subject and make any necessary adjustments. Capture (auto camera) mode is used by default.
Page 72 Number Function Change the flash setting. Change the HDR setting. Enable or disable AI scene recognition. View pictures and videos you have taken. Use Google Lens. Capture a picture. Switch between the front and back cameras. Swipe left or right to switch among the default PHOTO mode, NIGHT mode, PORTRAIT mode and VIDEO mode.
Page 73: Recording A Video
NOTE: You can spread or pinch on the screen to zoom in or out before taking pictures. 3. Touch the area where you want the camera to focus, or leave the camera to autofocus on the center of the image. NOTE: In PHOTO (auto camera) mode, when you touch the screen to focus and the exposure icon...
Page 74 NOTE: Touch VIDEO again to select other video modes. See Using Other Camera Modes. 3. Aim the camera at the subject and you can make the following adjustments. Touch to adjust the white balance.  Touch to change the flash setting. ...
Page 75: Using Macro Camera Mode
 When you touch the screen to focus and the exposure icon appears beside the focus point, you can drag up or down to adjust the exposure. Touch and hold the focus point to lock the focus and exposure. Using Macro Camera Mode You can use the macro camera to shoot close-ups of the subjects, such as flowers, insects, and small items.
Page 76: Using Portrait Mode
4. Aim the camera at the subject. A scene icon will appear depending on the subject detected. 5. Touch to take the photo. NOTE: AI scene recognition is only available in auto camera mode. Using PORTRAIT Mode You can use PORTRAIT mode to focus on your subject with a depth effect and blur backgrounds.
Page 77: Using Manual Camera Mode
Using Manual Camera Mode You can use manual camera mode to adjust more camera options for your photo such as ISO, white balance, exposure, etc. 1. Open the Camera app. 2. Touch MORE > MANUAL. 3. Aim the camera at the subject and you can make the following adjustments.
Page 78  NIGHT: Capture pictures in low-light environment. Please keep your phone steady when capturing the photo.  PANORAMA: Capture panoramic photos either horizontally or vertically.  MONO: Take a photo with only one colour visible. Touch a colour option, and then use the range slider to adjust the colour selection to achieve the desired effect.
Page 79: Photos
Photos Opening Photos From the home screen, touch Photos. You'll see all the photos and videos on your phone and, if you turned on “back up & sync,” anything else synced to your Google Photos library. Sharing Your Photos or Videos 1.
Page 80: Restoring A Photo Or Video
Restoring a Photo or Video 1. Open Photos. 2. Touch > Bin. 3. Touch and hold the photo or video you want to restore and touch Restore > Restore.
Page 81: Voice Recorder
Voice Recorder Voice Recorder enables you to record and listen to voice memos. Recording a Voice Memo 1. Open Voice Recorder. 2. Touch to select the audio format of the recording. 3. Touch to start recording. During recording, you can do the following: Touch to pause or continue the recording.
Page 82: Trimming A Voice Memo
2. Touch the title of a memo to play it. During the playing, you can touch to change the playback speed, touch View tag to view all tags, touch to add a time tag or photo tag, or touch and hold a tag to delete it. Trimming a Voice Memo 1.
Page 83: Phone Switch
Phone Switch You can use Phone Switch to easily transfer data such as contacts, messages, pictures, audio, videos, etc. from your old Android phone to the new one. You need to install Phone Switch on both phones first. NOTE: For detailed help information, open Phone Switch and touch >...
Page 84 3. Open the Phone Switch app on the old phone and touch OLD. 4. Use the old phone to scan the QR code on the new phone’s screen to connect the two phones via Wi-Fi. NOTE: If the connection fails, touch Unable to connect? and follow the on-screen instructions to try again.
Page 85: Settings
Settings The Settings app contains most of the tools for customizing and configuring your phone. Wi-Fi Open Settings and touch Wi-Fi. You can turn Wi-Fi on or off and configure your Wi-Fi connections. See Connecting to Wi-Fi. Bluetooth Open Settings and touch Bluetooth. You can turn Bluetooth on or off and configure your Bluetooth connections.
Page 86: Connected Devices
Hotspot and Tethering Open Settings and touch Mobile network > Hotspot and tethering to share your phone’s mobile data connection with PCs or other devices via USB or Bluetooth. See Sharing Your Mobile Data Connection Through Tethering. Mobile Data Open Settings and touch Mobile network > Mobile data to control mobile data and data roaming, enable 5G, check and manage mobile data use, set network type, and set access point names and other network options.
Page 87: Home Screen & Lock Screen
 NFC: Turn on or off the NFC feature. See Exchanging Data NFC.  Contactless payments: Manage contactless payment setting for apps using NFC for contactless payments.  VPN: Set up and connect to virtual private networks.  Private DNS: Turn Private DNS on or off, or change its settings.
Page 88: Notification & Status Bar
Notification & Status Bar Open Settings and touch Notification & status bar to manage app notifications, status bar options, and advanced notification options. Display Open Settings and touch Display to configure the display options, including brightness level, screen refresh rate, Dark mode, Read mode, Night Light, colour temperature, full-screen display settings, screen timeout, text and display size, auto-rotate screen, etc.
Page 89: Features
is enabled, your phone will automatically switch between 5G and 4G networks to save battery power according to the app running status and mobile data speed. See Use Adaptive Features Open Settings and touch Features. The following features are available. ...
Page 90 touch to start recording and to pause or stop.  Screen-edge mistouch prevention: Adjust the width of edge touch area to prevent accidental touches on the screen edges.  Gesture & motion: You can control the phone with special finger gestures or by moving the phone in different ways. Touch the switches to enable each function;...
Page 91: Security
Security Open Settings and touch Security to configure options that help keep your phone and data safe.  Screen lock: Disable the screen lock or enable it with swipe, pattern, PIN, or password. See Protecting Your Phone With Screen Locks. Touch beside Screen lock to set its options.
Page 92 NOTE: You need to sign in to your Google account on the phone to use all the Smart Lock features.  Device admin apps: View or deactivate apps you have authorized to be device administrators.  SIM card lock: Lock SIM card: Activate or deactivate the PIN lock to ...
Page 93: Apps
Apps App Info Open Settings and touch Apps. View recently opened apps at the top or touch SEE ALL [number] APPS to see all apps installed on your phone and manage them. Touch an app to see its information and configure the available options. Screen Time Open Settings and touch Apps >...
Page 94: Battery
WARNING! Changing the app permissions may result in the app not working correctly or as originally intended. Wireless Emergency Alerts Open Settings and touch Apps > Wireless emergency alerts to configure the emergency broadcast notifications. Special App Access Open Settings and touch Apps > Special app access to set special access options of apps.
Page 95: Location
 Internal shared storage: Get a detailed breakdown of space usage by type.  Portable storage: Safely mount, unmount (eject), and format your microSDXC card. When you connect a USB storage device (such as a USB flash) to your phone with an OTG adapter, you can view its storage status, unmount it, or erase all data on it.
Page 96: Users And Accounts
 Show passwords: Display passwords as you enter them.  Notifications on lock screen: Choose what notification contents will be shown on the lock screen.  Auto-fill service from Google: Set the options of Auto-fill with Google. With a single touch, you can fill in passwords, addresses, credit cards, and other information saved to your Google account.
Page 97: Digital Wellbeing And Parental Controls
Digital Wellbeing and Parental Controls Open Settings and touch Digital Wellbeing and parental controls to get information about how you spend time on your phone, like how often you unlock it and how long you use each app. You can use that information to improve your digital wellbeing.
Page 98: Google
 Parental controls: Touch Set up parental controls to add content restrictions and set other limits for your child with the Family Link app. Google Open Settings and touch Google to manage settings for Google apps and services. System System Update Open Settings and touch System >...
Page 99: About Phone
Downloads Open Settings and touch System > Downloads to view and manage your downloaded files. Backup Open Settings and touch System > Backup to manage data backup options. To easily restore or switch phones at any time, you can enable automatic backup to Google cloud storage of important data.
Page 100: For Your Safety
For Your Safety General Safety Don’t make or receive handheld calls while Don’t use at gas driving. Never text stations. while driving. Keep your phone at Your phone may least 10 mm away produce a bright or from your body while flashing light.
Page 101 Avoid contact with Avoid extreme anything magnetic. temperatures. Keep away from Avoid contact with pacemakers and liquids. Keep your other electronic phone dry. medical devices. Turn off when asked Do not attempt to to in hospitals and disassemble your medical facilities. phone.
Page 102: Radio Frequency (Rf) Energy
Radio Frequency (RF) Energy General Statement on RF Energy Your phone contains a transmitter and a receiver. When it is ON, it receives and transmits RF energy. When you communicate with your phone, the system handling your call controls the power level at which your phone transmits. Specific Absorption Rate (SAR) Your mobile device is a radio transmitter and receiver.
Page 103 * The tests are carried out in accordance with EN 50360, EN 50566, EN 50663, EN 62209-1 and EN 62209-2. ** Please see body worn operation. Body Worn Operation Important safety information regarding radio frequency radiation (RF) exposure: To ensure compliance with RF exposure guidelines the phone must be used with a minimum of 5 mm separation from the body.
Page 104: Distractions
Further information on this subject can be obtained from the WHO home page http://www.who.int/peh-emf (WHO Fact sheet 193: June 2000). Distractions Driving Full attention must be given to driving at all times in order to reduce the risk of an accident. Using a phone while driving (even with a hands-free kit) can cause distraction and lead to an accident.
Page 105  Always treat your phone and its accessories with care and keep them in a clean place.  Keep the screen and camera lens clean. An unclean screen or camera lens may slow down the phone's reaction to your operations or interfere with the image quality. ...
Page 106 Do not change or replace the built-in rechargeable battery in your device by yourself. The battery can only be changed or replaced by ZTE or ZTE authorized service provider.  Do not place the device or the battery in or near heating equipment, such as microwave ovens, stoves or radiators.
Page 107  If the battery damages or shows signs of swelling or leakage, please stop use immediately and contact ZTE or ZTE authorized service provider for replacement. Small Children Do not leave your phone and its accessories within the reach of small children or allow them to play with it.
Page 108 Antenna Do not touch the antenna unnecessarily. Normal Use Position When placing or receiving a phone call, hold your phone to your ear, with the bottom towards your mouth. Airbags Do not place a phone in the area over an airbag or in the airbag deployment area, as an airbag inflates with great force and serious injury could result.
Page 109  Do not grip the phone too tightly.  Press the buttons lightly.  Use the special features which are designed to minimize the times of pressing buttons, such as Message Templates and Predictive Text.  Take frequent breaks to stretch and relax. Emergency Calls This phone, like any other wireless phone, operates using radio signals, which cannot guarantee connection in all conditions.
Page 110: Electrical Safety
Electrical Safety Accessories Use only approved accessories. Do not connect with incompatible products or accessories. Take care not to allow metal objects, such as coins or key rings, to contact or short-circuit the charging jack. Never puncture the surface of the phone with sharp objects. Connection to Vehicles Seek professional advice when connecting a phone interface to the vehicle electrical system.
Page 111: Radio Frequency Interference
Radio Frequency Interference General Statement on Interference Care must be taken when using your phone in close proximity to personal medical devices, such as pacemakers and hearing aids. Please consult your doctor and the device manufacturers to determine if the operation of your phone may interfere with the operation of your medical devices.
Page 112: Explosive Environments
Medical Equipment Switch off your wireless device when you are requested to do so in hospitals, clinics or healthcare facilities. These requests are designed to prevent possible interference with sensitive medical equipment. Aircraft Switch off your wireless device whenever you are instructed to do so by airport or airline staff.
Page 113 Areas with potentially explosive atmospheres include fueling areas, below decks on boats, fuel or chemical transfer or storage facilities, and areas where the air contains chemicals or particles, such as grain, dust, or metal powders. Blasting Caps and Areas Power off your mobile phone or wireless device when in a blasting area or in areas where signs are posted to power off “two-way radios”...
Page 114: Disposal Of Your Old Appliance
3. The correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health. For this product’s recycling information based on WEEE directive, please send an e-mail to weee@zte.com.cn...
Page 115: Eu Declaration Of Conformity
EU DECLARATION OF CONFORMITY Hereby, ZTE Corporation declares that the radio equipment type ZTE 7540N is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following Internet address: https://certification.ztedevices.com The device is restricted to indoor use only when operating in the 5150 to 5250 MHz frequency range.
Page 116: Erp Conformity
The external power supply of this product conforms to the Energy-related Product Directive (ErP) 2009/125/EC of the European Parliament and the Council. ZTE Corporation Manufacturer's name, 9144030027939873X7 commercial registration ZTE Plaza, Keji Road South, Hi-Tech number and address Industrial Park, Nanshan District, Shenzhen, China Model identifier STC-A520A-A Input voltage...

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