Backup the phone book from the sim card of your mobile phone
If your sim card is locked, unlock it, then take it out of the mobile phone backup the phone book from the sim card of your mobile phone
If your sim card is locked, unlock it, then take it out of the mobile phone.
Instert your sim card into the phonebook saver card slot.
Press and hold the b button for 2 seconds. The led will light up
When the led is off, the phone book is saved
Put your sim card back in your phone and lock it if needed
Restore your phone book into another sim card or a 2g/3g combined card
If your sim card or 2g/3g combined card is locked, unlock it, then take it out of the mobile phone.
Insert your sim card or 2g/3g combined card into the phonebook saver card slot
Press and hold the r button for 2 seconds. The led will light up
When the light is off, the phone book is restored
Put your sim card or 2g/3g combined card back in your phone and lock it if needed