Operating instructions

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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
                  
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）
A PUK is required to change the PIN. To change the PIN2, you need to use PUK2 (personal unlock code).
If PUK is not provided together with the SIM card, please ask for it from your network provider.
〈Warning〉：If the PIN code is entered continuously three times, the SIM card will be locked in. Please
consult the network supplier right away to look for deciphering. Unauthorized deciphering may cause
permanent failure to the SIM card.