PUK code unlock: T-Mobile Sonic 4G Mobile HotSpot

Learn how to PUK unlock the T-Mobile Sonic 4G Mobile HotSpot.




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. Connect an Internet-ready device to the Mobile HotSpot.
  3. Open a Web browser and navigate to http://mobile.hotspot, or use the T-Mobile HotSpot Admin shortcut to access the T-Mobile HotSpot Admin page.
  4. Enter your password.
    Note: Passwords are case sensitive. The default password is admin.
  5. Click Login.
  6. If necessary, click the Settings tab.
  7. Click Security.
  8. Click Unlock Device.
  9. Enter the SIM Unlock code you obtained from T-Mobile Customer Care.
    Warning: If you enter the wrong Device Unlock code ten times, the Mobile HotSpot will lock permanently.
  10. Click Apply.