Root guide for the new Samsung Galaxy tab Active 8.0 is now available. Before you do the root, you will need TWRP for the Tab Active 8.0. Fortunately, we have the latest version of TWRP custom recovery available for the android tablet. Using this custom recovery, you will be able to flash all sorts of third party ROMs onto it. It would also be possible to flash hacks that require a modified TWRP.
Download the TWRP file on your computer from here. Then use the fastboot to flash the TWRP using the following command.
fastboot flash recovery TWRP-3.1.1-recovery.img
After installing the TWRP, it is now time to install root onto the Galaxy Tab Active 8.0. For that, install the ODIN file via file recovery in download mode using volume down + power + home button combo and then connect it to the computer.
And that is it – you have successfully downloaded and installed TWRP on the Tab Active android tablet. It is totally upto you if you want to root it or not. Some third party firmwares come pre-rooted so if you are planning to install a custom ROM, it may not be worth rooting your Samsung android tablet.