Quality — Nokia N139dl Unlock Extra

Turn off your phone. Remove the back cover and take out the Tracfone SIM. Insert a non-Tracfone SIM (e.g., an active AT&T or T-Mobile SIM). Turn the phone on. If you see "Invalid SIM" or "Enter Unlock Code," your phone is locked.

If you have decided to purchase an unlock service (not the free carrier route), follow this process to ensure you receive "extra quality." nokia n139dl unlock extra quality

Only use a service that asks for your IMEI number and provides a network subsidized unlock code (NSC) or a remote server unlock that pushes the approval via Verizon/Tracfone’s official system. Turn off your phone