pless help my unlock samsung d780
 

Selected model: D780_m
Selected com port: COM4
Selected speed port: 921600
Please, connect phone and press power button 3 seconds
Timeout
Phone fail TAT MODE
Deactivated MSL - FAIL
Use alternative method
Unlock - FAIL
Elapsed time: 40 second, sw ver: 3.5.0027

check cable connection and fully charge battery

the battery is ful and I tried it with two cables, and still some

power on phone insert cable and then read phone
if phone need driver install it.

or try this
connect battery to phone
tick read phone first
connect cable to phone