SamKEY TMO is special software for Unlock:
T-Mobile, MetroPCS, Verizon, Sprint, locked SAMSUNG phones
Which do NOT ASKING FOR NETWORK UNLOCK CODE,
and just Show : Invalid SIM Card (APP UNLOCK)

Few Major Clarification

Only USB cable is required for unlock operation

For S550TL you must have UART Cable

This solution makes Phone PERMANENTLY UNLOCKED

Phone will remains UNLOCKED even if you upgrade firmware

Software will be locked on one pc with fingerprint

You can change PC & Change fingerprint once in a week

USB Sharing is not supported (Remote Unlocking)

Here is the forum information about SamKey

http://samkey.org/forum/

Software Exe

http://samkey.org/forum/forumdisplay.php?19-SamKEY-TMO-Edition-Updates

How to use

http://samkey.org/forum/forumdisplay.php?11-SamKEY-TMO-Edition

Finger Print

Follow this image

How to use SamKEY TMO Edition :

1. Activate USB Debugging (press Help button in SamKEY for instructions)
2. Disable PATTERN / User Password / IRIS Lock / FingerPrint
3. Connect phone to USB port (Powered ON)
4. PressCalculate SEC
* If you see any error, or program hangs during Read Data > enable'Deep Calculate'option and do from beginning
* If you see Unsupported Firmware message, You must write firmware first
* You can find firmwares here(IF NEEDED):http://samkey.org/forum/Forum-USA-Americ...zon-Sprint
5. After calculation operation finished, wait for phone to boot up (on HOME Screen)
6. PressWrite SEC
* If you see any error during Write SEC onfirst try, enable'Skip Erase'option, and try Write SEC again

Finger Print Change READ THIS

IF YOU WANT TO CHANGE FINGER PRINT TO ANOTHER PC PLEASE EMAIL THE FOLLOWING DATA TO [email protected]

1. Current Old Finger Print
2. User id
3. Password
4. New Finger Print