How to Unlock an SGH T139


The Samsung SGH-T139, branded Samsung Mayon in some territories, is a cell phone formerly available on the T-Mobile network in the United States. The phone features a "flip" design, camera and dual displays. Users must enter a 4-digit to 8-digit code when the phone lock is switched on. This feature restricts access to personal information stored on the phone if it is lost or stolen and deters thieves from taking the phone in the first place.

  • Switch the phone on using the "Hang Up/Power" button. The phone displays the Samsung logo and starts to power up.

  • Type your 4-digit to 8-digit PIN code when the lock screen appears.

  • Press the "OK" button when you are finished. The phone either accepts your code and continues to load or rejects the code, stopping you at the PIN screen.

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