After you have updated your Samsung Galaxy A7 to the XXU1BOE6 then the unavoidable consequence is losing your root access, like it or not that is happening now. And you can get your lost root access by simply follow the manual rooting instructions here. We will use CF-Auto-Root from Chainfire and Odin to flash the root tool.
Rooting is not an official operation and Samsung doesn't approve this activity, therefore once your device is rooted the consequence you will bear is losing your device's warranty, that means Samsung will charge the services and reparations you need if your Galaxy A7 having issues in the future. Therefore proceed to the instructions at your own risk. However rooting gives many benefits. And you already know about it.
- Your device must already updated to XXU1BOE6 (Learn to update Samsung Galaxy A7 to A700FDXXU1BOE6 Android 5.0.2 firmware).
- Make backups! Do not forget about this one. So backup guys.
- Enable USB debugging mode of your device.
- Make sure your Windows computer is ready. And already has USB drivers installed. You need your USB cable too.
- Temporarily disable your computer antivirus and KIES, because these software can interrupt Odin from running, enable them afterward.
- Be sure your battery power is enough.
How to root Samsung Galaxy A7 A700FD on A700FDXXU1BOE6 Android 5.0.2 firmware
Step 1- Power off your phone now to enter to Download Mode, use Volume Down + Home + Power buttons and then when you see a warning then use Volume Up to enter the Download Mode.
Step 6 - Now click Start button for Odin to begin flashing the CF-Auto-Root file to your smartphone.
Step 7 - When it's done, your phone should reboot, wait till you see your phone's home screen then unplug it from USB cable.
Congratulation guys, because you just rooted Samsung Galaxy A7 of yours now you can once again optimize and tweak your phone by flashing third-party apps and ROMs. If you have any questions do not be shy to reveal them on the provided comment area. And as usual see you in the next posts of Install Android ROM blog.