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looks like phone must be rooted!
somewhy software can't root the phone automatically, 
maybe i have to root your device manually?

in Samsung Tool by (371 points)
edited by

2 Answers

0 votes

here`s quick unlock guide:


to root phone manually you have to:

  • 1. Power on the phone.
  • 2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
  • go to 'Settings'-'Developer options' and enable 'USB debugging'.
  • 3. Connect the phone to PC with USB cable, install drivers if needed.
  • 4. Select device in ADB settings.
  • 5. Press 'Unlock' button for direct unlock or 'Read codes' to read security codes. 


Operation: Reset FRP/React/EE
Selected model: SM-G935F
Software version: 26.1

Checking local file... not found
Searching server... OK
Downloading file... OK
Checking local file... OK
Searching USB Flash Interface... detected COM42
Setup connection... OK
Reading data from phone... OK
Sending data to phone... OK
Waiting ADB device... OK
Reading phone info...
Model: SM-G935F
Android version: 6.0.1
Product code: SM-G935FZDAMTZ
Phone version: G935FXXU1APEQ
PDA version: G935FXXU1APF2
CSC version: G935FOJV1APF1
CSC country code: Zambia
CSC sales code: MTZ
HW version: MP 0.801
Phone S/N: RF8H22GQ49R
Modem board: SHANNON335
RF cal date: 20160228
IMEI: 
Checking Super user right... true
Erasing FRP... OK
Restore original kernel? Yes
Checking local file... not found
Searching server... OK
Downloading file... OK
Checking local file... OK
Restoring kernel... OK
Rebooting phone... OK
Reset FRP done

Done with Samsung Tool PRO v.26.1

by (371 points)
0 votes
Very Easy In Z3x pro use Reset in UART Method,

connect uart  rj45 cable

Keep power and vol down button

1 sec release Power button if software ask

2 sec Release vol down button

3 Sec Done

Game is Over
by (1.4k points)
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