Disclaimer: Rooting and flashing custom ROMs carries inherent risk. The author is not responsible for bricked devices. Always ensure you have the correct firmware for the SM-T116 (check your baseband version in Settings > About Tablet).
Flashing a custom ROM is not without risk. You must understand what you are doing. samsung galaxy tab 3 lite smt116 custom rom better
This will void your warranty (expired anyway) and wipe all data. Ensure your battery is above 70%. samsung galaxy tab 3 lite smt116 custom rom better
Custom ROMs for this device (like LineageOS 14.1 or 11) remove CPU throttling bloatware. Users report a . Apps open 2x faster because the RAM isn't clogged with Samsung Push Services and TouchWiz widgets. samsung galaxy tab 3 lite smt116 custom rom better
Flash the custom ROM ZIP file from your SD card.