To unlock a Nokia phone, enter the PUK number and key in a new PIN. To confirm the code, re-key the PIN once more before entering the code into the handset device. The PUK allows you to access the phone if you enter the PIN for the SIM card information incorrectly and allows you to gain access to the carrier network.Continue Reading
The SIM, or subscriber identification module, contains your subscriber details and uses this information to gain entry into the carrier network. The Nokia and other mobile devices use the PUK, or personal unlocking key, to safeguard your SIM card information.
The mobile phone PIN usually consists of four to eight digits. If you enter the PIN incorrectly three times, the phone requests that you enter a PUK. According to Verizon Wireless, a PUK that is incorrectly entered 10 times disables the SIM card, so it must be replaced.
A default PIN is usually assigned for a SIM card. Therefore, change the PIN as soon as possible to reduce any risk to your privacy and security. Do not bend the SIM card, and keep the card dry and clean. Avoid extreme temperatures when using a Nokia or any mobile device.Learn more about Mobile
The PUK (personal unlocking key) is a security add-on that protects the information located on a SIM card.If there is a mistake entering a SIM card PIN code, the PUK code must be entered to gain access to the device.Full Answer >
Obtain the PUK code from the SIM card carrier that came with your SIM pack, from the company website or by calling the service provider’s toll-free number, and key in the code carefully when prompted to unlock the SIM. Obtaining code from the SIM card carrier is the easiest of these methods.Full Answer >
PUK code stands for PIN unlock key. It is normally an eight-digit code that is assigned to SIM cards. PUK codes are required when users lock themselves out of their mobile phones by entering incorrect passwords too many times. After entering the code, the user can designate a new PIN.Full Answer >
When the personal unlock key, or PUK, number is entered incorrectly 10 times on an AT&T phone, the SIM card will be locked. When the SIM is locked, the "PUK blocked call operator" message is displayed.Full Answer >