The Samsung Galaxy Tab S2 tablets, can get rooted a couple of ways. If there is ever a custom recovery image available for your device, then you can flash it and then flash the version of the SuperSU that is working for the tablet. That is the method that people who want to install a custom recovery usually follow because it ends up being slightly the quicker of the two ways to end up with both a custom recovery and the device rooted.

Nevertheless, there is another way we can root the Samsung Galaxy Tab S2 thanks to Chainfire and his CF-Auto-Root one-click rooting tool. Many people prefer using CF-Auto-Root because it is quick and easy. It is also the preferred method for anyone who does not want a custom recovery installed on the Samsung Galaxy Tab S2 tablet.

Samsung Galaxy Tab S2 9.7 SM-T815Y

In case you are not sure, a custom recovery is what you need if you want to start installing custom ROMs and change the version of Android. You do not need root access to install a custom ROM. Some people just like to do that for something extra. The act of rooting the Android operating system is what you need to do to be able to install all of the apps that are out there being developed that require access to the root file system before they can run. We see these applications all over the Google Play Store because Google does not mind that they are there, it just doesn’t want to give everyone root access automatically by default. Google prefers giving people a device that comes with the operating system locked and then it is up to you if you want to root it and unlock it so the apps can be installed. The kind of apps that I am talking about include popular titles like Titanium Backup, Greenify, ROM manager, Xposed, Dumpster, Game Killer,

What Is Rooting the Android Operating System?

When you buy a new smartphone, you might not know it, but the Android operating system is in a “locked” state. For the most part, it will not make much difference to you: most apps are still available to use, and there are benefits to this locked state such as better security. When you root the Android operating system, you are gaining full administrative rights over the OS.

Why Would You Want to Root Android?

Gaining full administrative rights over the operating system has some perks to some people. For example, out of the millions of applications available on Google Play, some of them will not be able to run on your device unless it has root access. Until you have a specific need for wanting Android rooted, you probably want to leave Android as it comes out of the box. But if you need to unlock an app, then that is when you want to look into rooting methods. Using more apps is only one example of why you may want root access, here is the full list of benefits:

  • Unlock more applications. Some of the apps available for Android cannot run unless you have root access. This is because the app’s features cannot run without the root permissions because the features require the full system access before they can be useful.
  • Better battery life. Smartphones are great, but they have one caveat, which is each time you recharge the battery, it loses some of its overall lifespan. That means smartphones, in general, do not make great investments, and if your weekly paycheck is low, you will want to limit the number of smartphones you go through. One of the ways you can do that is by removing bloatware and creating a better battery life.
  • Bolster performance. If you are the budget-conscious shopper, you may want to increase the device’s performance. This can be done by removing the bloatware as well. The more processes you have running, the more memory that is used. By removing some of the apps, it can help lighten the load on your hardware.
  • Customize Android with themes. With root access, you can download and install any theme that’s at your disposal. That includes any customized theme you can find.

What Are the Risks of Rooting?

If you are buying a smartphone that is not running iOS, then it is probably the Android operating system that you want running as the ideal software to pair with your shiny new hardware. It is, in fact, the Android OS that offers you the chance to customize the OS considerably more than iOS: custom themes, run any app you know about, the works. For many users, the “openness” of an operating system is important, because it offers them more freedom which means running into fewer problems with their investments. But there is a reason iOS likes a far more locked approach: the ability to customize is not for everyone, and if you do not know what you are doing it can lead to a lot of problems which can define your time with the OS rather than freedom.

With power (full admin permissions) comes greater responsibility. Here are some of the main risk factors when it comes to rooting:

  • Malware becomes a larger threat. You might read the occasional news article about how new malware is wreaking havoc in parts of the world on Android. But the Android operating system with root access becomes considerably more vulnerable to exploits because applications are no longer prisoned off in their own sandbox environments. This means if you accidentally download malware, it can do more damage because it can spread throughout the operating system and even jump into other applications and potentially view sensitive data.
  • You can accidentally brick the smartphone. There is always a chance that you end up bricking the smartphone before you had the opportunity to use it with root access. That is because if you are going to brick it, it is going to happen during the rooting process.
  • You may void the warranty. Most manufacturers do not allow you to root the Android operating system and still get to bring it in for repairs under warranty. Whether they are legally meant to do that or not is another question, but it is now common knowledge that most do not want to help you if they find out you have unlocked the OS with root access.

Details We Should Know

  • Chainfire was running the LRX22G.T815YDVU2AOK1 firmware build number on his personal Samsung Galaxy Tab S2 tablet with the SM-T815Y model number when he came up with the rooting file that is available in this guide. Nobody else necessarily needs to be running on that same firmware build number that he was running when he created the tool. The following rooting file found in this guide should work for all Android 5.0.2 Lollipop software updates that have rolled out for the SM-T815Y model number.
  • You must have the Samsung Galaxy Tab S2 9.7 with the SM-T815Y model number when you use this guide. Flashing the rooting file on the wrong number can result in the device getting bricked.
  • You must have a computer that is running a version of the Windows operating system to use this guide. The CF-Auto-Root tool is an Odin-based one-click rooting tool that can only be flashed with Odin. The Odin app only works on a Windows computer. Anyone who cannot find a Windows computer can try settings up a Windows virtual machine.
  • If you are finding the CF-Auto-Root tool is not flashing, or it flashed, but the device now does not boot up again, it could be because a new bootloader is present in the firmware you are running. These times are very rare because they are usually only around in new versions of Android, and if you followed the guide on Android 5.0.2 Lollipop, then there are no new versions of Android to worry about here. Nonetheless, if you are facing the problem, you can leave the new recovery image found in the firmware on the CF-Auto-Root tool thread made over at the XDA-Developer’s website for Chainfire to see.

Files We Need

  • Download the CF-Auto-Root tool for the Samsung Galaxy Tab S2 9.7 SM-T815Y tablet when it is running on the Android 5.0.2 Lollipop software updates.
  • Download the Samsung USB Drivers for the Windows computer.

Rooting the Samsung Galaxy Tab S2 9.7 SM-T815Y running on the Android 5.0.2 Lollipop software updates

  1. Log into the Windows computer using the administrators password and details so that the Odin flashing app can run on the computer and allow for the flashing.
  2. Unlock the Developer Options menu on the Samsung Galaxy Tab S2 tablet so you can then enter that menu and make a change.
  3. Enable the USB Debugging Mode from the Developer Options menu so you can make some changes to the Android software on the tablet.
  4. Extract the rooting file to the desktop of the computer and the Odin flashing application and the CF-Auto-Root are available on the desktop now.
  5. Run the Samsung USB Drivers on the WIndows computer so the Samsung Galaxy Tab S2 tablet can be detected by the Odin flashing application.
  6. Double-click on the Odin executable file and the flashing tool user interface opens.
  7. Boot the Samsung Galaxy Tab S2 9.7 SM-T815Y into the download mode and then connect it to the computer with the USB cable.
  8. Check that the Odin user interface shows a blue or yellow ID: COM box now which is showing that the Tab S2 9.7 is connected.
  9. Click the AP button in Odin and then browse through to the desktop and the select the rooting file that shows the CF-Auto-Root in the file extension.
  10. Click the Start button from the Odin app on the computer and the rooting begins.
  11. Check the display of the Samsung Galaxy Tab S2 9.7 and wait until it shows it is flashing the SuperSU, cleaning up the cache partition and then reflashing the stock recovery.
  12. Check the computer once again and wait until it shows a green box with a pass message inside it.

In conclusion, that is how to root the Samsung Galaxy Tab S2 9.7 SM-T815Y tablet when it is running on the Android 5.0.2 Lollipop software updates. The rooting method makes use of Chainfire’s CF-Auto-Root tool, and it is the most traditional method that works on the Android 5.0.2 Lollipop updates. That means you can unroot from the SuperSU app or by flashing a stock ROM on the device. It does not unroot when you take a factory reset like the systemless root versions would.

Rooting is all about root apps, and now you can install any of them, You might be interested in checking out the best root applications available for the Android operating system if you do not already have them in the memory bank. Most of them are available from the Google Play Store, but there is no easy way to find them unless you already know the names. Google is your friend if you need to find out more information about more apps.