Rooting itself shouldn't wipe your data, but unlocking the bootloader (if required) or encountering an error might. Back up your photos, contacts, and documents.
Before typing "t285 root 5.1.1 cf auto root" into Google, gather these essentials: t285 root 5.1.1 cf auto root
Rooting is a modification of the device’s core software. Before proceeding, you must acknowledge the following risks: Rooting itself shouldn't wipe your data, but unlocking
Install to hibernate background apps. Servicely or Kernel Adiutor can manage wakelocks. Rooting itself shouldn't wipe your data
The running Android 5.1.1 is far from modern, but it still has life left. CF-Auto-Root breathes new air into this tablet by giving you control over every aspect of the operating system. If you are comfortable using Odin and understand the warranty implications, this method is safe, proven, and reversible.