Learn how to lock, unlock, and PUK unlock the Motorola Moto X.

Device lock

Change device lock password / PIN

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

  1. From the Home screen, tap the Apps tray.
  2. Tap Settings.
  3. Tap Security & Screen lock.
  4. Tap the security option you have enabled.
  5. Update the security credentials required by the option you selected.
  6. Tap Done.

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, tap the Apps tray.
  2. Tap Settings.
  3. Tap Security & Screen lock.
  4. Select from one of the following:
    • None
    • Slide
    • Face Unlock
    • Pattern
    • PIN
    • Password

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. Tap the Phone icon to open the dialer.
  3. Note: If your phone is not yet PUK locked, touch Emergency Call on the screen where you enter the PIN code.
  4. Enter **05*[PUK]*[New PIN]*[New PIN]#
    Note:
    If this does not work, enter only the PUK code, then the new PIN if prompted.
  5. When the phone displays 'Unblocking PIN: Registration was successful' tap OK.

SIM PIN

Change SIM PIN

To change the SIM PIN code, follow these steps:

  1. From any Home screen, tap the All apps icon.
  2. Tap Settings.
  3. Scroll to 'PERSONAL,'  then tap Security.
  4. Scroll to 'SIM CARD LOCK,' then tap Set up SIM card lock.
  5. If necessary, tap Lock SIM card to select the check box and enable, and then enter your current SIM PIN and tap OK.
  6. Tap Change SIM PIN.
  7. Enter your current SIM PIN.
  8. Note: The default SIM PIN is 1234.
  9. Tap OK.
  10. Enter the new SIM PIN.
  11. Tap OK
  12. Re-enter the new SIM PIN.
  13. Tap OK

Turn on / off SIM PIN

The SIM PIN code can protect your SIM from being used in other devices. When you turn on the SIM PIN lock, the device prompts you to enter the code after turning it on.

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

  1. From any Home screen, tap the All apps icon.
  2. Tap Settings.
  3. Scroll to 'PERSONAL,'  then tap Security.
  4. Scroll to 'SIM CARD LOCK,' then tap Set up SIM card lock.
  5. If necessary, follow these steps:
    • Tap Lock SIM card to select the check box.
    • Enable and then enter your current SIM PIN.
    • Tap OK.
  Message us on My T-Mobile