Mobile Device Unlock: LG Optimus T

Learn how to use the Mobile Device Unlock code of the LG Optimus T.




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.
  1. Insert a Non T-Mobile SIM card in to the device. Once the device is powered on the screen should displayInvalid SIM Card Network Lock
  2. Tap the Dialer.
  3. Enter 2945#*509# (after inputting this, a pop up box will appear).
  4. Enter in the unlock code.
  5. Click Done
  6. Click Unlock


The phone should display "Network Unlock Successful". The phone is now unlocked.