How to Unlock Nokia 5310 Free Solution

1. Type '*#06#' into your phone's keypad to get your 16-digit unique IMEI number. Make note of the number and set it aside momentarily.
2. Contact your service provider's tech-support department and request an unlock code. If they ask why, tell them that you're traveling overseas or that you plan on selling your phone. Be prepared to give them your IMEI number, mobile number and possibly your voice-mail password.
3. Turn off your phone and remove its SIM card. You can do this by sliding off your back cover, taking out the battery and sliding the SIM card out from underneath its latch. Turn the phone back on after your SIM card has been removed.
4. Type '#pw+unlock code+1#' into your keypad, where 'unlock code' represents the unlock code that you received from your service provider in an earlier step. To get the '+' symbol, tap the '*' button twice. To get the letter 'p,' tap the '*' button three times. To get the letter 'w,' tap the '*' button four times. A message will appear on your screen that says 'SIM Restriction Off,' confirming that the phone has been unlocked.