Samsung SM-J710FN U4 FRP Reset J710FXXU4BQL3

Abdullah

Staff member
Super Moderator
Oct 22, 2016
1,269
2,598
Pakistan
Model :Samsung SM-J710FN
Firmware : J710FXXU4BQL3
CSC region : PLS
Security : XII 2017


1. 1st attempt via UART 525k on unmodified firmware FAILED :

Platform: Samsung Android
Selected port: COM1
Selected model: SM-J710FN
Searching for UART interface.. COM8
Connect Samsung Micro UART cable(with 525K resistor), press and
hold "Vol-" + "Power" buttons for 15-20 seconds
Searching for device. Please wait...
Phone found.
Rebooting phone in Upload Mode...OK
Please connect phone to USB cable..
Searching for a phone. Please wait...OK
Reading data...
Checking operation...
This version of "sBoot" is not supported, try to downgrade "sBoot"!
Operation was failed!
Performed by 2.6.5 Software version.

2. JUST sBoot downgrade from Combination firmware :
COMBINATION_OXA_FA60_J710FXXU4BRA1_OXAFAC_CL756486 4_QB16405445_REV03_user_mid_noship.tar.md5

Selected AP file: C:\Users\xxxxxxx\Desktop\SM-J710FN
\Combination\COMBINATION_OXA_FA60_J710FXXU4BRA1
_OXAFAC_CL7564864_QB16405445_REV03
_user_mid_noship.tar.md5
Please put the phone into Download Mode and connect USB
cable.
To put SM-J710FN into Download Mode, You have to perform
the following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Writing firmware Canceled
Performed by 2.6.5 Software version.
Selected AP file: C:\Users\xxxx\Desktop\SM-J710FN
\Combination\COMBINATION_OXA_FA60_J710FXXU4BRA1
_OXAFAC_CL7564864_QB16405445_REV03
_user_mid_noship.tar.md5
Please put the phone into Download Mode and connect USB
cable.
To put SM-J710FN into Download Mode, You have to perform
the following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Found phone on
Advanced mode!
Firmware write started.
Writing BOOTLOADER section...
BOOTLOADER section has been written successfully.
Firmware writing successfully completed.
Performed by 2.6.5 Software version.

3. 2nd attempt - Erase FRP via 525k UART sucessfully NOW !

Platform: Samsung Android
Selected port: COM1
Selected model: SM-J710FN
Searching for UART interface.. COM8
Connect Samsung Micro UART cable(with 525K resistor),
press and hold "Vol-" + "Power" buttons for 15-20 seconds
Searching for device. Please wait...
Phone found.
Rebooting phone in Upload Mode...OK
Please connect phone to USB cable..
Searching for a phone. Please wait...OK
Reading data...
Checking operation...OK
Searching for UART interface.. COM8
Connect Samsung Micro UART cable(with 525K resistor),
press and hold "Vol-" + "Power" buttons for 15-20 seconds
Searching for device. Please wait...
Phone found.
Resetting FRP lock (1/4 attempt)..success
FRP / Reactivation lock is successfully reseted!
Performed by 2.6.5 Software version.

4. Restore original sboot from original 4-file firmware J710FXXU4BQL3

To connect SM-J710FN phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
Selected BOOT file: C:\Users\xxxxx\Desktop\SM-J710FN
\J710FXXU4BQL3_J710FPLS4BQL3_J710FXXU4BQL3
_J710FXXU4BQL3 PLS 7.0\BL_J710FXXU4BQL3_CL12710698
_QB16134837_REV03_user_low_ship.tar.md5
Please put the phone into Download Mode and connect USB cable.
To put SM-J710FN into Download Mode, You have to perform the
following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Found phone on
Advanced mode!
Firmware write started.
Writing BOOTLOADER section...
BOOTLOADER section has been written successfully.
Firmware writing successfully completed.
Performed by 2.6.5 Software version.

And DONE