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The TWRP recovery you are installing below lets you take a full NANDroid backup which is like taking a snapshot of your Tab S2 ROM. While the new backup solutions with root access are great, they aren’t as good as what you can do with a custom recovery. Those are just a few ideas of what you can achieve after rooting.
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You can also find better backing up solutions and ways to remove the default Samsung apps. These apps can vary from boosting your device’s performance to taking away performance and increasing the battery life instead. Getting access to the root file system on your Samsung tablet means you can start installing the applications that require that full system access to run on your system. Installing a custom recovery image on your Samsung tablet is what you need to install a custom ROM.
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There are two main ways one can customize the new Samsung Galaxy Tab S2 tablet: installing a custom recovery and rooting the device.
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