Allview H4 Join Manual De Usuario página 10

4. completely discharge and then completely charge the battery. Repeat the process for three
times to achieve the full performance of the battery.
5. Long period unused or some other reasons may cause low battery pressure, so at the
beginning of charging the screen is black and it may take a while before the charging indicator
appears.
Warning: When charging, in order to avoid serious damage to phone circuitry, do not remove or
dispose the battery.
CALLS
Key Explanation
Lock Keypad: Press On /Off button
# Key: - In active screen mode, hold down the "#" to switch to silent
mode.
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