User manual

User Manual
10
Battery charging from USB - diagram
USB CONNECTION
Notices on using the battery
Precautions for charging battery
The performance of the battery is affected by many factors, including radio barrier network settings, signal
strength, signal strength, work temperature, chosen and used functions or settings as well as phone accessories,
tones, data or other applications.
For optimal performances, please follow the rules below:
New battery or the battery having been idle for long need charging for long. The standard voltage scope for
the battery is 3.6V-4.2V.
During charging, keep the battery at room temperature or similar temperature.
With time passing by, the battery will gradually be worn and thus need longer time to charge. This is normal.
However, after normal charging, if call duration decreases but charging time increases, you need to buy another
battery from the original manufacturer or authorized by the original manufacturer. The battery of interior quality
can damage your mobile phone and cause danger!
If the phone is overused at low battery when charging, there might need a longer time for the charge indicator
to be shown on the screen.
Note: please dispose the battery according to the local regulations. Try to recycle the battery as possible. Do not
treat the waste battery as common waste.
Warning: do not throw the battery into fire so as to prevent fire hazard. The broken battery may cause explosion.
Warning
Charging the mobile phone by improper means can cause to explosion. Always refer to the related regulations for
the disposal of the battery.
PIN codes
PIN and PUK codes
PIN1 Code: it is the personal identification number used to enter SIM and able to prevent others using SIM1
without permission. If the mobile phone has activated the PIN1 code protection, when the mobile phone is
switched on, the screen will display “Input PIN”. In the process of inputting PIN1 code, the screen will use “*” to
represent the input content. While obtaining SIM, you can obtain its PIN1 code.
PIN2 Code: it is the personal identification number used for some special functions.