Samsung GT-S3770 UNLOCK successfully done
 

Welcome to Octoplus Box Samsung software version 2.6.4
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Platform: Samsung Swift
Selected model: GT-S3770
Selected port: COM5
Baud rate: 115200
Plase, connect phone to UART cable, insert battery and press shortly
power button
Connecting...
Phone in TAT mode.
Reading info, please wait...
Phone IMEI A: 35814704087337
SW version: S3770XXKK
Unlocking phone...
All unlock codes were set to 00000000
Phone is successfully unlocked
Performed by 2.6.4 Software version.