If you have Samsung Galaxy J7 and if you want to root it and install custom recovery like TWRP, you can take help of following tutorial. Click on read more for installing TWRP and rooting tutorial.
Disclaimer:
Your warranty is now void.
I am not responsible for any bricked devices. Of course you can enjoy rooted Galaxy J7 with TWRP recovery if followed following steps correct step by step carefully.
Steps to root your phone:
1) Download USB Drivers, Odin, TWRP Recovery & SuperSU file to your laptop/PC.
2) Turn off your phone.
3) Go to download mode (by pressing Volume down+home+power buttons at the same time for about 6-8 secs)
4) Press the Volume up button to continue.
5) Install USB Drivers and open the ODIN file you downloaded on your laptop/pc.
6) Connect your phone to your laptop/PC through USB cable.
7) When ODIN detects your phone, It will show added in the Log.
8) In ODIN click on AP and then select the recovery file you downloaded.
9) Click on start. The flashing process will start.
10) If the flashing succeeds, ODIN will show 'PASS'. That means the recovery flashed successfully. It will boot into recovery.
11) Swipe to Allow Modifications. Click on Reboot then System.
12) Copy and place downloaded SuperSU file to your external SD card.
13) Turn off your phone.
14) Reboot to recovery (by pressing Volume up+home+power buttons).
15) The recovery will start. Select 'install zip'.
16) Click on Storage to change from Internal Storage to Micro SDcard.
17)Select SuperSU which you downloaded. Swipe to Confirm Flash. Flashing process will start. Once Completed. Wipe Cache/dalvik.
18) After it finishes, go back and reboot your phone.
Download links for files needed for rooting phone and installing custom recovery.
1) USB Drivers: http://d-h.st/kKm
2) Odin: https://goo.gl/6niEG3
3) TWRP Recovery: https://goo.gl/SUqRCK
4) SuperSU: https://download.chainfire.eu/696/SuperSU/UPDATE-SuperSU-v2.46.zip?retrieve_file=1
Enjoy your rooted Galaxy J7.
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