The CF-Auto-Root brings an automatic rooting method to the Samsung Galaxy A7 smartphone just by flashing a file the same way you would flash a stock ROM with the Odin flashing tool. Root is enabled by the SuperSU app which is installed with the help from a modified recovery and a modified cache partition. These two things assist the CF-Auto-Root installation and efficiently enable the SuperSU app so it will grant rooting rights to the apps that request it.
- You must have a computer that is running Windows before you can run the Odin flashing application that issued to flash the rooting file found in this guide.
- Chainfire was running on the LRX22G.A700HXXU1BOK1 firmware build number when he created the rooting file you can see in this tutorial. You do not need to be running that LRX22G.A700HXXU1BOK1 firmware. You just need to be running on Android 5.0.2 Lollipop and have the SM-A700H model number.
BEFORE WE BEGIN
- Unlock the Developer Options menu on the Samsung Galaxy A7 smartphone so you can turn on the USB Debugging by tapping on the Menu > Settings > About Device > Build Number at least seven times. You can stop tapping as soon as you see the message on the display let you know that you are using the device as a developer.
- Enable the USB Debugging Mode on the Samsung Galaxy A7 smartphone now by tapping on the Menu > Settings > Developer Options > USB Debugging. Once you have checked the UBS Debugging box so that it is on, navigate out of the Developer Options menu for the Android software to remember your preferences automatically.
- Install the Samsung USB Drivers on the Windows computer  for the Samsung Galaxy A7 smartphone so that when you connect it to the computer and have the flashing tool open it can be detected and allow for the rooting to happen.
HOW TO ROOT SAMSUNG GALAXY A7 SM-A700H RUNNING ON ANDROID 5.0.2
- Download the CF-Auto-Root tool for the Samsung Galaxy A7 SM-A700H smartphone when it is running on Android 5.0.2 Lollipop updates from here .
- Extract the rooting file to the Downloads folder and you can see the Odin flashing application and the rooting file available.
- Double-click on the Odin executable file that is in the Downloads folder and then the Odin flashing tool opens.
- Boot the Samsung Galaxy A7 smartphone into the download mode  and then connect it to the computer with the USB cable.
- Check that you get a yellow or blue color coming from the ID: COM port so you know the Samsung USB Drivers are working that you installed before we began.
- Click the AP button from the Odin app on the computer and browse through to the Downloads folder and then select the rooting file to upload to this location.
- Click the Start button from the Odin app on the computer and the rooting begins.
In conclusion, that is how to root Samsung Galaxy A7 SM-A700H smartphone when it is running on the Android 5.0.2 Lollipop software updates by using the CF-Auto-Root tool. As soon as the Galaxy A7 phone reboots back into another normal mode, it will be rooted, and you can install the root applications from the Google Play Store without having to adjust anything from the SUperSU. In case you have not yet seen, the SuperSU app is now available from your app drawer, and that is the app that is granting the rooting permissions to the apps that request it as long as you agree to do the same when you get the message on the display.