Samsung D900i direct unlock using UST-PRO2

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Samsung D900i direct unlock using UST-PRO2

Also known as[edit]

  • Samsung SGH-D900i unlock using USTPRO II
  • Samsung SGH D900 delock using USTPRO 2

Notes[edit]

This method:

  • does not erase any user data from phone
  • will delete phone book !!!
  • will reset user / phone code to default "00000000"

What is needed?[edit]

  • UST-PRO II toolbox
  • E250 series RJ45 cable to connect phone on UST-PRO II
  • installed UST-PRO II box software and drivers

Compatibility[edit]

Compatible Samsung mobile phone unlock methods:

...

Unlock method[edit]

1. Connect UST-PRO II box on computer, and E210-series cable on box port.

2. Start UST-PRO II software. Select D900i, then untick "Bypass in TAT mode".

Samsung d900i unlock ust 1.jpg

3. Now press "Direct unlock" button. When UST-PRO 2 asks to Turn ON the phone, connect D900i mobile phone to cable, then press the "ON" (red) button on phone for short time.

Samsung d900i unlock ust 2.jpg

4. UST-PRO II software will unlock the phone. After finish it, "Operation Successful" will appear.

Samsung d900i unlock ust 3.jpg

5. Now the phone is unlocked, and all the security codes set back to default: "00000000".

Possible error messages[edit]

See also[edit]