9
Note
：
A little heating while charging is normal.
Use of battery
The performance of the battery is affected by multiple factors including your wireless loading network
configuration, signal intensity and temperature when using the phone, the function or settings you selected, the
accessories adopted for cell phone and other applied program modes.
To optimize the performance of the battery, please do as following regulations
：
New battery or a battery is left unused for a long time should be charged for a long time
；
Keep the temperature at or near room temperature when charging
；
The battery may require longer time to be full charged after being used for a long time and this is
normal. If the call time becomes too short, you may need to buy a new battery produced by original
factory or authorized by our company. Unqualified battery or accessories may damage your phone and
even cause danger
！
If the battery is left unused for a long time or the power is too low, it may require longer time for the
charging interface to appear, please wait patiently.
Note: For your safety and environment, please do not throw away the battery everywhere.
Warning: Explosion, fire or personal injury may be caused by any type of battery short-circuit
！
PIN
PIN1 code: Personal identification code used to enter SIM card and to prevent others to use the SIM card
without your permission. If PIN1 code safeguard function of your cell phone has already been started, the system
will display “Enter SIM card 1/2 PIN” to enter when switching on the phone. * will be displayed instead of the
PIN1 you entered. You can get PIN1 from your network provider together with the SIM card.
PIN2: The personal identification number use for special functions such as charging function provided by
the network.
PUK and PUK2 (8 digits
）
