If you want to do any kind of developing work on the Samsung Galaxy A7 smartphone, then you need to have the lower level system access that allows you to make changes to the software and operating system. The way to get that lower level access is by becoming the root user and getting control of the root user account. The root user on Android and Linux is the same as the Administrator on Windows and Mac where you are the one in control over what is installed and uninstalled.
- You need to have the Samsung Galaxy A7 smartphone that comes with the SM-A710M model number if you are using this guide.
- You need a computer that is running on a version of the Windows operating system to use this guide.
BEFORE WE BEGIN
- You need to have the Samsung USB Drivers  installed on the computer if you do not have them already. It is the drivers that are going to allow your device to be detected by the flashing application.
- Unlock the Developer Options menu  on the Samsung Galaxy A7 SM-A710M smartphone if it is not unlocked already and then turn on the USB Debugging Mode  from the menu you just unlocked. Doing so means you can then start making changes to the Android software which is a requirement for you to get root access.
- Chainfire lets it be known that he was running on the MMB29K.A710MUBU1BPH1 firmware build number when the rooting file available in this guide was developed.
HOW TO ROOT SAMSUNG GALAXY A7 SM-A710M RUNNING ON ANDROID 6.0.1 MARSHMALLOW WITH CF-AUTO-ROOT
- Download the CF-Auto-Root  tool for the Samsung Galaxy A7 SM-A710M smartphone on Android 6.0.1 updates.
- Extract the file to the Downloads folder on the Windows PC, and you get the Odin flashing application and the flashable version of the rooting file.
- Boot the Samsung Galaxy A7 SM-A710M smartphone into its Download Mode  that it has and then connect it to the computer with the USB cable.
- Run the flashing app that is available in the Downloads folder and check that it shows a blue or yellow color from the ID: COM port.
- Click on the AP button and then browse through to the Downloads folder again and then select the MD5 file.
- Click on the Start button, and the rooting of the Samsung Galaxy A7 SM-A710M smartphone begins.
In conclusion, that is all you need to root Samsung Galaxy A7 SM-A710M smartphones running on Android 6.0.1 Marshmallow updates. You just got the root access by flashing the CF-Auto-Root tool which has just installed and enabled SuperSU on the device. You can see the SuperSU as an application when the device reboots back into the normal mode. You can enter the SuperSU app and check it out, but you do not need to do anything to it to start using the root apps. It is already fully enabled for you. Just find whatever apps you wanted to install and then accept the prompt on the screen when you try to run them for granting the root access.