Mobile Device Unlock: Samsung Gravity TXT (T379

Learn how to use the Mobile Device Unlock code of the Samsung Gravity TXT (T379.

 

 

 

SIM unlock phone

 

The Mobile Device Unlock code allows the device to use a SIM card from another wireless carrier. This may be necessary when traveling internationally. To enter the Mobile Device Unlock code, follow these steps:

 

Important: Stop if you receive an error message. The device may lock permanently if you enter the incorrect code multiple times.

 

  1. See if your phone is eligible to unlock: Mobile Wireless Device Unlocking.
  2. Contact Customer Care to request the Mobile Device Unlock code for your phone.
  3. Verify the IMEI by typing *#06#.
  4. Insert a Non-T-Mobile SIM & turn the phone on.
  5. The phone will automatically prompt you to enter the code into an  empty field.
  6. Click/Tap in the empty field above the "Unlock & Dismiss" options (this will display a key pad on the screen).
  7. Input the unlock code provided by T-Mobile.
  8. Click/Tap Unlock.
  9. The phone will display  Network Unlock Successful.