The Samsung Galaxy Tab 3 7.0 (SM-T210R) does not have official LineageOS support, as it was dropped years ago due to the device's hardware limitations, specifically its 1GB of RAM and the Marvell PXA986 SoC. While the official LineageOS Wiki lists a build guide for the LTE variant (lt02ltespr), the SM-T210R Wi-Fi version is considered unmaintained.
If you find a compatible unofficial ROM, the installation typically follows these steps: smt210r lineageos work
. It offers a much newer interface but can be taxing on the 1GB RAM BB OS10 Style ROM (KitKat Based): The Samsung Galaxy Tab 3 7
No Bloatware: Removes the heavy Samsung apps that slow down the 1GB of RAM. It offers a much newer interface but can
, which provide a fresh look and better performance without the stability risks of a broken LineageOS port. Installation Realities
You must rely on "Unofficial" builds found on community forums like XDA Developers Common Versions: LineageOS 11 (Android 4.4 KitKat):
Installation: The process typically involves unlocking the device's bootloader, installing a custom recovery (like TWRP), and then flashing the LineageOS ROM.