User's Manual

Z.T.S. Intermational Industrial Co. Ltd G28i
Page 31
The PIN2 Code is the Personal Identification Number for
certain network features (Cost information, etc.) requested
during their use when this code is activated.
<Warning>：If you enter 3 incorrect PIN1 Codes, the SIM card will be
locked. You have to contact your network vendor for decoding.
Unauthorized decoding may cause the SIM card to be invalid
forever.
Charging your battery
■ The battery of this mobile is the rechargeable lithium
battery.
Note：New batteries are partially charged, we recommend
you to charge the battery before using your phone. It will take
4 hours to fully charge. The battery has no memory effect, so
discharge it before charging is not necessary, and charging a
battery that is not empty dose not affect the lifetime of the