Table Of Contents - Huawei GR3 Faq Manual

Table of Contents

1 Battery and charging
1.1 How do I increase the phone standby time?
1.2 How to determine the battery is full of charge?
1.3 The battery level display is inaccurate
1.4 The battery does not charge properly
1.5 How to maintain mobile phone batteries
1.6 How do I view the battery usage status?
1.7 How do I view the battery consumption data?
1.8 How long must I charge a new battery for?
1.9 What do I need to be aware of when charging a new phone?
1.10 How long does it take to fully charge the phone?
1.11 The phone does not charge when connected to a computer
1.12 If the HUAWEI battery charger can be used to go abroad?
1.13 Can I use chargers made by other brands?
1.14 How to display the power percentage in the status bar?
1.15 Why mobile phone will heat at charging?
2 Hardware and appearance
2.1 Whether both SIM Card 1 and Card2 support 4G? how to switch?
2.2 After inserting the SIM card, power on the mobile phone, SIM card can not be identified?
2.3 What can be insert into Upper and lower Card slots?
2.4 Which colors does the mobile support?
2.5 LCD display NG
2.6 Touch screen not responding
2.7 The screen turns off when using some third-party apps
2.8 The screen turns off during calls
2.9 The screen does not rotate automatically
2.10 Virtual buttons on the navigation bar cannot be hidden
2.11 how to change the system font size?
2.12 Forgot screen unlock code or design
2.13 During normal use, the touch screen responses slowly or insensitively
2.14 The touchscreen is slow or unresponsive when charging
2.15 How do I remove the camera button at the bottom-right of the lock screen?
2.16 How do I delete the password lock screen?
2.17 How to turn on/off touch keys back light?
2.18 How do I delete unused home screens?
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