Before starting the firmware on the cellphone, you must flash it using Android 9 Binary U3 ROM
here
File cp only :
CP_N960NKOU3CSJ1_CP14029315_CL17016656_QB26435263_REV00_user_low_ship.tar.md5
root tutorial:
If OEM is hidden or there is no OEM option, do the method below:oem hidden fix
Connect your cellphone's WiFi,
automatic date deactivation,
put the date back 1 week/7 days
then enter settings,
click software update, just click check,
if an update appears, click download and stop,
then check the oem developer option, if there is then activate it...
Then proceed to the TWRP installation stage, download the root materials below:
twrp-3.7.0_9-0- crownlte
Magisk -v20.4
RMM Bypass
magisk apk
Odin3
Put all files in one folder so it's easy to find them later,
extract odin3, then the phone goes into download mode (odin mode) power+bixby+volume down,
open Odin app, select options, uncheck auto reboot,
and on the AP tab twrp-3.7.0_9-0-crownlte.img, then click flash
then enter the TWRP menu by pressing the manual button, power+bixby+volume up,
Note:
The Bixby button is the button below the volume button,
Next, swipe Swype, select the wipe menu, then format data, then yes. then just go back, copy the rmm byass.zip and magisk.zip fileson the install tab, install the RMM bypass and also Magisk, if you have rebooted the system...Wait for it to load until you get to the Android menu and install the magisk.apkTo repair IMEI here we use the Samsung Z3X Box Samsung Tool Pro, (TESTED)
log repair imei
Selected model: SM-N960NSoftware version: 44.17
Waiting ADB device... OK
Reading phone info...
Model: SM-N960N
Android version: 9
PDA version: N960NKSU3CSJ1
CSC version: N960NOKR3CSJ1
Phone version: N960NKOU3CSJ1
Product code: SM-N960NZSAKTC
CSC country code: KOREA
CSC sales code: KTC
Carrier ID: KTC
Phone SN: R39K90FWW7
IMEI: 357175093116092
HW version: MP 0.700
RF cal date: 20180928
Chip name: EXYNOS9810
Modem board: SHANNON360
Security patch: 2019-10-01
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Root version: 20.4:MAGISKSU
Checking data... OK
Searching server... OK
Checking server answer... OK
Data preparation... OK
Initialization zTool... OK
Running zTool, please wait... OK
Executing 1st step... OK
Executing 2nd step... OK
Searching server... OK
Waiting for server answer... OK
Repairing... OK
Rebooting phone... OK
Patch certificate
Waiting ADB device... OKReading phone info...
Model: SM-N960N
Android version: 9
PDA version: N960NKSU3CSJ1
CSC version: N960NOKR3CSJ1
Phone version: N960NKOU3CSJ1
Product code: SM-N960NZSAKTC
CSC country code: KOREA
CSC sales code: KTC
Carrier ID: KTC
Phone SN: R39K90FWW7
IMEI: 865395035788833
HW version: MP 0.700
RF cal date: 20180928
Chip name: EXYNOS9810
Modem board: SHANNON360
Security patch: 2019-10-01
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Root version: 20.4:MAGISKSU
Checking data... OK
Searching server... OK
Checking server answer... OK
Data preparation... OK
Searching server... OK
Waiting for server answer... OK
Patching...OK
Rebooting phone... OK