Mobile Device Unlock: LG Optimus F3Q

Learn how to use the Mobile Device Unlock code of the LG Optimus F3Q.



SIM unlock phone

  1. Determine if devices are eligible to be unlocked: Unlock your mobile wireless device.
  2. Insert a Non-T-Mobile SIM & turn the phone on.
  3. Once the device is powered on, the screen should display 'Invalid SIM card Network lock.'
  4. From any Home screen, tap the Phone icon.
  5. Enter 2945#*520# and 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.