Getting Problem in g610f in lock remove without data loss help
 

phone was came in 7.0 version i tried selecting g610f_u1_RD1_7.0 but after file write nothing happen timer goes on,then i notices in device manager after start when phone on it's show adb port but after complete on adb port gone,then
i updated it with G610FDDU1CRL3 this firmware then again i select g610f_u1_RL3_8.1.0 same thing happning again phone show adb port till phone blink on samsung,when phone on completely adb port not show...

Analyzing file.....OK
Searching for Samsung ODIN protocol.....Detected {COM6}
Connecting to device.....OK
Reading PIT.....OK
Flashing [data 1].....OK
Rebooting device.....OK
Waiting for device.....354

after timer show fail

Analyzing file.....OK
Searching for Samsung ODIN protocol.....Detected {COM6}
Connecting to device.....OK
Reading PIT.....OK
Flashing [data 1].....OK
Rebooting device.....OK
Waiting for device.....Time out
Operation {Reset [ScreenLock - FRP - MDM - Call Me - Samsung Account] -- FRP / OEM: ON} ID: 5C6F886376C741BB
Elapsed time 06:20 -- Version 3.3.1

no reply from product supporter

This problem caused by so many reasons if you are sure of your drivers .
1- try change cable or hub
2- make sure no other program is using adb server ( stop all programs eg: chimera)
3- try with old setup 2.7
4- if no success try on another PC