In this tutorial we will install Android 6 which is Marshmallow (Cyanogenmod 13) on Samsung Galaxy TAB 2 [GT-P3100].\rbr\rbr**I am not responsible if you brick your device.**\rbr**Rooting the device and installing Custom ROM will also void the warranty.**\rbr\rbrCyanogenmod 13 (Download Link):\rbr\rbr\rbr\rbrBEFORE STARTING WITH THIS PROCEDURE MAKE SURE YOUR DEVICE IS ROOTED AND CWM IS INSTALLED.\rbrIf not then 1st watch this video: \rbr\rbr\rbr||Written Steps||\rbr1) Download the files from the link given above.\rbr\rbr2) Connect your device to the computer.\rbr\rbr3) Copy the downloaded .zip file to your device in the Internal Storage or External SD Card.\rbr\rbr4) Shutdown the device and boot into ClockWorkRecovery Mode by pressing Vol. Up + Power button.\rbr\rbr5) In CWM execute wipe datafory reset, wipe cache partition and go to advanced then wipe dalvik cache.\rbr\rbr6) Select ++++Go Back++++ and now go to Install zip from sdcard.\rbr\rbr7) If you have copied the zip file in internal storage then select choose zip from sdcard, If you have copied in external SD Card then select choose zip from external sdcard.\rbr\rbr8) Now locate the .zip file and install it.\rbr\rbr9) After installation if you get a screen saying Root access possible lost. Fix? then simply select No or ++++Go Back++++.