PIN & password: LG Optimus T

Learn how to lock, unlock, and PUK unlock the LG Optimus T. Find out more on this page:

 

Device lock

PUK code unlock

SIM PIN

 

 

Device lock

Change device lock password / PIN

To change device lock password or PIN, follow these steps:

 

  1. From the Home screen, press the Menu key.
  2. Tap Settings.
  3. Tap Location & security.
  4. Tap Set up screen lock or Change Screen lock.
  5. Tap one of the following options:
  6. Enter the desired password.
  7. Tap Continue.
  8. Re-enter the password.
  9. Tap OK.

 

or

  1.   Enter the desired number combination.
  2.   Tap Continue.
  3.   Re-enter the number combination.
  4.   Tap OK.

 

 

Turn on / off device lock

To turn on or turn off the device lock password or PIN, follow these steps:

 

  1.    From the Home screen, press the Menu key.
  2.    Tap Settings.
  3.    Tap Location & security.
  4.    Tap Set up screen lock or Change Screen lock.

 

 

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PUK code unlock

PUK code unlock

Related errors:

  • 'PIN code blocked. Enter PUK code:'
  • 'Enter PUK code'
  • 'SIM card locked. Emergency calls only. Please contact Customer Care'

 

If you enter a PIN code incorrectly several times in a row, the device blocks you from attempting again. To enter a PUK code and unblock the PIN, follow these steps:

 

Important: You must call Customer Care for the PUK code. Entering the wrong code can permanently damage your SIM card.

 

  1. Contact Customer Care to request your PUK code.
  2. Contact us to request your PUK code.
  3. When the device displays the message ’SIM card is PUK-Locked. Please contact Customer Care’, tap the Dialer.
  4. Enter the PUK code in the Dialer to unblock the SIM.
  5. Press OK.
  6. Enter a new PIN.
  7. Press OK.
  8. Confirm the new PIN.
  9. Press OK.
    The phone displays the message, ‘Your SIM card has been unblocked. Your phone is unlocking…’
  10. If the above steps do not work, insert the SIM card into another device and attempt to PUK unlock it there.
    Note: If the above steps do not resolve a PUK blocked device you must contact customer care.

 

 

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SIM PIN

Change SIM PIN

To change the SIM PIN code, follow these steps:

 

To lock and unlock the SIM card, follow these steps:

  1.   From the Home screen, press the Menu key.
  2.   Tap Settings.
  3.   Tap Location & security.
  4.   Tap Set up SIM card lock.
  5.   Tap Change SIM PIN.
  6.   Enter your current SIM PIN.
    • Note: The default SIM PIN is 1234.
  7.   Tap OK.
  8.   Enter the new SIM PIN.
  9.   Tap OK
  10.   Re-enter the new SIM PIN.
  11.   Tap OK.

 

 

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