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2.8.11 Can I use my phone to access the Internet during a call? .................................................................... 49
2.8.12 Are there any restrictions to the data service? ..................................................................................... 49
2.8.13 What does a VPN do? How do I set VPN parameters? ....................................................................... 49
2.9 Screen lock ..................................................................................................................................................... 50
2.9.1 How do I set a screen unlock PIN? ....................................................................................................... 50
2.9.2 Does my phone supports the Face Unlock function? How do I set the function? ................................. 51
2.9.3 How do I set a screen unlock pattern?................................................................................................... 51
2.9.4 How many times can I try the screen unlock pattern before my phone becomes permanently locked?
Can I unlock the phone by sending an email from my Gmail? ...................................................................... 52
2.9.5 How do I lock and unlock the screen? .................................................................................................. 52
2.10 Alarm ............................................................................................................................................................ 53
2.10.1 How do I add and remove an alarm?................................................................................................... 53
2.10.2 Will the alarms go off when my phone is powered off? ...................................................................... 54
2.11 Applications .................................................................................................................................................. 55
2.11.1 What application formats does my phone support? Is JAVA supported? ............................................ 55
2.11.2 How do I download third-party applications? ..................................................................................... 55
2.11.3 Can I change the default installation location for applications? .......................................................... 55
2.11.4 How do I install, manage, and uninstall applications? ........................................................................ 55
2.11.5 I cannot install an application. What can I do?.................................................................................... 55
applications customized by my service provider? .......................................................................................... 56
2.12 Task Manager ............................................................................................................................................... 56
2.12.1 What can Task Manager do? ............................................................................................................... 56
2.12.2 How do I access Task Manager? ......................................................................................................... 56
2.12.3 What does the Task Manager screen look like? .................................................................................. 56
2.12.4 How do I manage a specific application using Task Manager?........................................................... 57
2.13 Weather......................................................................................................................................................... 57
2.14 Developer options ........................................................................................................................................ 58
2.15 Can I synchronize my phone's date and time with the network? .................................................................. 58
2.16 Can I use my phone as a USB flash drive? .................................................................................................. 59
2.17 How do I free up the internal storage? ......................................................................................................... 59
2.18 How can I adjust the screen brightness? ....................................................................................................... 59
2.19 How do I enable power saving mode of key backlight? ............................................................................... 60
2.20 How do I turn on or off airplane mode? ....................................................................................................... 60
2.21 How do I restore my phone to its default settings? ...................................................................................... 61
2.22 How do I enter and exit safe mode? ............................................................................................................. 62
2.23 Does my phone support HDMI? .................................................................................................................. 62
2.24 Does my phone support TV-out? .................................................................................................................. 62
2.25 Does my phone support OTG? How do I use it? .......................................................................................... 62
2.26 Can I use other power adapters than the provided one to charge my phone? ............................................... 63
2.27 What are the features of my phone? ............................................................................................................. 63
3 Others ............................................................................................................................................ 64
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