Here are the instructions to unlock the Samsung SGH-T639 from T-Mobile USA. The 8 digit unlock code can be obtained from the SIM Unlock Department. You will need the device’s IMEI number in order to obtain the code.
Related Posts:Thank you for taking the time to contact T-Mobile. Below you will see the Instructions for unlocking your Samsung device. For Unlock code you will enter the 8 digit code that we have provided you.
Enter: #7465625*638*Unlock Code#
NOTE: Network Personalization Canceled should display once unlocked. “Not Yet Personalized” will be displayed if it has already been unlocked.
It is very important that the instructions are entered correctly as listed. If you receive an error message while performing the instructions do not make any further attempts to unlock the handset. Please be aware that if an excessive amount of incorrect attempts are made, the phone will be permanently locked. You will need to verify the IMEI by pressing *#06# and contact Customer Care for support.

