samsung sgh-s275g [Answered]

i choose sgh-s275r, s275g not in base
UNLOCK INSTRUCTIONS:
Micro-UART cable only:
1. Press 'Unlock' button for direct unlock or 'Read codes' to read security codes.
2. Connect the phone and press power button.

Operation: Unlock
Selected model: SGH-S275R
Selected port: COM65 Prolific USB-to-Serial Comm Port
Software version: 34.3

Connect phone and press power button... Phone detected
Switching phone to TAT mode... error

how to switch in tat mode this phone?