Mobile Device Unlock: LG Optimus L9

Learn how to use the Mobile Device Unlock code of the LG Optimus L9.




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. From any Home screen, tap the Phone icon.
  4. Verify the IMEI by typing *#06#.
  5. Insert T-Mobile or  Non T-Mobile SIM card in to the device. Once the  device is powered on the screen should display Invalid SIM card Network lock.
  6. Tap the Dialer.
  7. Enter 2945#*769# (after inputting this a pop up box will appear).
  8. Select Network Lock.
  9. Enter in the unlock code.
  10. Tap Done.
  11. Tap Unlock.
  12. If you receive any error messages after attempting to permanently or temporarily unlock your device, contact customer care to inform them of the issues you are receiving.