ZTE U50 Manual

Prepare

• A valid nano-SIM card.
  
• Please open the back cover and view the label to get the default information.

Insert the nano-SIM Card and Battery

1. Open the back cover.
   
2. Insert the nano-SIM card into the slot.
   
3. Insert the battery.
   
4. Put the cover back.
   

Start Your Device

Press and hold the power button for about 3 seconds to power on the device. After a moment the device will connect to the Internet automatically.

NOTE:
y If the battery is extremely low, you may be unable to power on the device. Please charge your device first. y If the battery isn't inserted, you need to connect a charger to use your device and the output current of the charger must not be less than 3A.

Access the Internet

• Wi-Fi: Get the default SSID and password on the label and connect to the Wi-Fi network with your mobile device, and then access the Internet.
  
• USB Type-C Cable: Connect with the computer via USB port and then access the Internet.
  

Change Your Device Settings

You can change the device settings by logging in to the management web page.

1. Open the back cover and view the label to get the default device managerWebsite IP address and Password.
2. Launch the Internet browser and enter the device managerWebsite IP address in the address bar.
3. Input the password and log in to the web page.
4. After the management web page is opened, you can change some default settings.

Indicator Lights and Interfaces

1	Red solid: The battery level is low. Blue solid: The battery level is middle. White solid: The battery level is high or full. Blinking: The battery is being charged. Light off: Your device is powered off and not being charged.
2	White solid: Wi-Fi is active. White blinking: WPS is active. Light off: Wi-Fi is off.
3	Red solid: The device is in error status. The device is not registered to the mobile network. There is no nano-SIM card inserted. There is no network service available. Blue solid: The device is connected to the 4G/3G mobile network. White solid: The device is connected to the 5G network. White blinking: The software is being upgraded.
4 WPS key	Press and hold for about 3 seconds to activate the WPS function.
5 Power key	Press and hold for about 3 seconds to power on/off your device.
6 Charging/USB Type-C jack	Charge the device or connect to the USB port of a computer.
7 External antenna port	Connect the antennas if necessary. Support: Tx/PRX NR 38/77/78 LTE B42/43
8 External antenna port	Connect the antennas if necessary. Support: DRX NR 38/77/78 LTE B42/43

* After the device has not been operated for about 15 seconds, the indicator lights turn off and it's in power saving mode. You can press any key to turn on the indicator lights.
*Open the back cover and you can find the RESET hole. Press and hold for about 2 seconds to restore your device to the factory settings. Please use the appropriate tool to operate the reset hole, which is 9mm deep.
*For better signal, it is recommended to use two external antenna ports simultaneously.

Troubleshooting

Get More Help

You can get help by:

• Sending an email to mobile@zte.com.cn
• Visiting https://www.ztedevices.com

Warning and Notice

To the User

• If inadequately shielded, some electronic devices, for example, the electronic system of vehicles, may be affected by the electromagnetic interference caused by the device. Consult the manufacturers of such devices before using the device if necessary.
• Operating the device may interfere with medical instruments such as hearing aids and pacemakers. Always keep the device more than 20 centimeters away from such medical instruments when your device is powered on. Power off the device if necessary. Consult a physician or the manufacturers of medical instruments before using the device if necessary.
• Be aware of the usage limitation when using the device at places such as oil warehouses or chemical factories, where there are explosive gases or explosive products being processed. Power off the device if necessary.
• Do not use electronic transmission devices in aircraft, at petrol stations or in hospitals. Observe and obey all warning signs, and power off the device in these conditions.
• Do not touch the inner antenna area unless necessary. Otherwise the performance of the device may be affected.

• Do not use the device in an enclosed environment or where heat dissipation is poor. Prolonged work in such space may cause excessive heat and raise ambient temperature, which may lead to automatic shutdown of the device for your safety. In the case of such an event, cool the device in a well-ventilated place before turning on for normal use.
• Keep the device out of the reach of small children. The device may cause an injury if used as a toy. y When the device is operating, do not touch the metallic parts. Failing to do so may cause burns.
• Use original accessories or accessories that are authorized. Using any unauthorized accessories may affect the performance of the device and violate the related national regulations about telecom terminals.
• Avoid using the device near or inside metallic constructions or establishments that can emit electromagnetic waves, because signal reception may be affected.
• The device is not waterproof. Keep the device dry and store it in a shady and cool place.
• Do not use the device immediately after a sudden temperature change, because dew may be generated inside and outside the device. Do not use it until it becomes dry.
• Do not place or use your device inside or near heating equipment, high-pressure containers or strong electromagnetic environment, such as water heaters, microwave ovens, or hot cooking utensils. Otherwise, your device may be damaged.
• Handle the device carefully. Do not drop, bend or strike it. Otherwise the device may be damaged.
• Only qualified personnel can dismantle and repair the device.
• The humidity between 5% and 95% is recommended.
• Do not connect the charger while using the device for a long period. Failing to do so will trigger the protection mechanism of the battery, and the battery will not be charged. If you want to charge the battery, please reconnect the charger.
• Do not connect the charger while using the device for a long period or use the device and battery in nonoperating temperature. Failing to do so will shorten battery life or cause battery swelling or leakage. If the battery shows signs of swelling or leakage, please stop use immediately.
• For pluggable equipment, the socket-outlet shall be installed near the equipment and shall be easily accessible.

Battery Safety

• Using ZTE-unapproved or incompatible battery, charger or power adapter may damage your device, shorten its lifespan or cause a fire, explosion or other hazards.
• The recommended operating temperatures are 0°C to 35°C and the storage temperatures are -20°C to +45°C. Extreme temperatures can damage the device and reduce the charging capacity and lifespan of your device and battery.
• Do not place the device or the battery in or near heating equipment, such as microwave ovens, stoves or radiators. Keep the device and the battery away from excessive heat and direct sunlight. If not, the device or the battery may overheat and cause explosion or fire.
• Please disconnect the charger when the battery is fully charged. Overcharging may shorten the battery life.
• Do not short-circuit the battery, as this can cause excessive heat and fire.
• Do not throw the battery into a fire to avoid explosion.
• Do not disassemble, squeeze or puncture the battery, as this can cause explosion or fire.
• When not using the battery for a long period, please charge the battery about half then remove the battery from your device and store it in a cool dry place.
• 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.
• Return the worn-out battery to the provider or put it in the designated recycle place. Do not put it in household waste.
• There is a risk of explosion if the wrong battery model is replaced.

If the battery is broken, you should avoid contact with the contents inside. If they contaminate the skin, immediately rinse with plenty of water and seek medical help when necessary.