To wipe all data and return the phone to its original state, dial *#7370# . 2. Network Unlocking (SIM Restriction)
If your phone is asking for a security code to access the menu or keypad, the most important thing to know is the . NOKIA MODEL 100 TYPE RH 130 UNLOCK CODE
Type the following sequence: #pw+CODE+1# (where CODE is your unique 15- or 20-digit unlock code). To get : Press the * (star) key three times quickly. To get w : Press the * (star) key four times quickly. To get + : Press the * (star) key two times quickly. To wipe all data and return the phone