SUPPORT New to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile Network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network & roaming topics Find the right plan Neftlix on Us HotSpot plans Voicemail Use Mobile HotSpot All plans support topics Tutorials Troubleshooting Unlock your device Change your SIM T-Mobile eSIM All device assistance topics Account Hub I-Billing Home Office Internet Collaborate Line permissions All business support topics

Learn how to use the Mobile Device Unlock code of the LG G Flex.

SIM unlock phone

  1. Determine if you device is eligible to be unlocked: Unlock your mobile wireless device.
  2. Insert the SIM card that you want to unlock.
  3. Once the device is powered on, the screen should display 'Invalid SIM card Network lock.'
  4. From any Home screen, tap Phone.
  5. Enter 2945#*959# then tap Service Provider Lock.
  6. Enter the unlock code, then tap Done > Unlock.
  7. 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.

Was this helpful?