Tested on Galaxy Tab 2 10.1

Recovery Mode

Volume Up + Power button.

TWRP

espresso-common_TWRP_3.2.0-0

Custom ROM

Slim-espresso3g-6.0.1.build.2.0-STABLE-20170118-1402.zip (Marsmallow)

NB : CHANGE twrp to 3.2 or your will have error gapps..