A custom ROM makes the SM-T116 a functional secondary device again:
: Many modern apps require at least Android 5.0 or 6.0 to run. A ROM upgrade lets you download these apps directly from the Play Store again. Performance Boost samsung galaxy tab 3 lite smt116 custom rom better
Turn off the tablet. Boot into recovery (Power + Home + Volume Up). You will now see TWRP’s touch interface. A custom ROM makes the SM-T116 a functional