While the SM-T211 has a unique chipset that makes development difficult, a few stable options remain the "gold standard" for this device: 1. LineageOS (Unofficial Builds)

Boot into (usually by holding Power + Home + Volume Up). Perform a Full Wipe (System, Data, Cache, and Dalvik). Select Install and locate your ROM zip file. After the ROM flashes, install the GApps zip (if required). Reboot and wait. The first boot can take up to 10 minutes. Final Verdict

If you want deep customization, Resurrection Remix is the way to go. It combines the best features from various ROMs into one package.

LineageOS is the successor to CyanogenMod and is the most popular choice for the Tab 3. For the SM-T211, you can typically find stable builds ranging from to Android 5.1 (Lollipop) . Best for : Daily use and maximum stability.