Tutorial - How to Update Galaxy Tab 2 P3100 P3110 in Android 6.0 Marshmallow. This is not official update so before install this ROM you have to install Custom Recovery Like TWRP or CWM.\rbr\rbrAlso Check out How to Install Latest TWRP Recovery on Galaxy Tab 2 - \rbr\rbrDownload ROM, GApps for Marshmallow and Text Installation Tutorial available on Techno Planners Website - \rbr\rbrBefore Installing this ROM Please Make a full backup of your Stock ROM and Save Recovery file on your PC SD-Card.