Samsung Galaxy Tab 3 7.0 (SM-T210R) is a legacy device with significant hardware limitations that have effectively halted official and stable LineageOS development. Current Development Status Official Support:
Enter LineageOS, the most popular aftermarket Android distribution. The burning question on XDA forums and Reddit threads is simple: Does smt210r LineageOS work? smt210r lineageos work
Working on an unofficial LineageOS build for the Samsung SM-T210R (Tab A 2017). The hardware is showing its age, but the kernel is booting! Samsung Galaxy Tab 3 7
is hindered by its proprietary Marvell PXA986 chipset, for which source code was never fully released. Current Development Status Working on an unofficial LineageOS build for the
Unofficial Builds: Community developers have historically released unofficial versions ranging from LineageOS 11 (Android 4.4) to as high as LineageOS 16 (Android 9.0 Pie).