Originally Posted by ahura999
Is it possible to unroot it right after and keep the "what's new" disabled? I've rooted my gs4 before and since I'm not an expert, I had issues. So now I'm just afraid of rooting again.
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Yes, it's possible, but I don't see how root would cause you issues unless you either had security issues with misbehaving apps or went wrong somewhere in the process of rooting, in which case it isn't the fault of being rooted.
Currently though, the only root method for the Z2 Tablet requires unlocking your bootloader and flashing a custom kernel. This may or may not incur irreversible undesired changes to your system depending on your approach.