Huawei Honor 7 - How Do I Set the Remaining Battery Level to be Displayed in Percentage

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12.20 How do I set the remaining battery level to be
displayed in percentage?
Go to Settings > Battery and touch Remaining battery percentage.
The figures are for your reference only. The actual screens may vary.
12.21 Why can't I lock my screen during phone calls and
isn't there any screen locking sound?
During the phone calls, unlocking the screen is determined by the preconfigured unlock
pattern.
1. If the unlock pattern is set to Huawei unlock or Password: None, when you press the
power button during phone calls, only the screen turns on or off instead of screen
locking.
2. If the unlock pattern is set to Pattern, PIN, or Password, when you press the power
button during phone calls, the screen is locked and turns on or off, but no screen locking
sound is generated.