Z3X Micro UART cable Fully TESTED.. 100% WORKING.
 

for resistance value, I used 560k. but i have seen 520k resistance in GPG micro uart cable.so I posted the picture with 520k resistance... try with ur own experience ... :)

HERE IS TESTED RESULT (S3770K IMEI CHANGE WITH SELECT MODEL S5610)
==================++++++++++++++++++++============

Selected model: S5610
Selected com port: COM2
Selected speed port: 921600
Please, connect phone and press power button 3 seconds
Phone Detected
Phone in TAT MODE
Phone Old IMEI: 00000000000000
Phone SW: S3770KDDLB4
Phone BT ADDR: 0012-47-000001
Phone SN: 0000000000
Phone NEW IMEI: 35872404189803
Repair - ok
Elapsed time: 28 second, sw ver: 3.5.0040

many thanks bro..............