runs on a Marvell PXA986 SoC. Marvell never released open-source kernel code or proprietary hardware blobs for newer Android systems, making modern Android development a grueling game of reverse engineering.
The SM-T210R is actually the Samsung Galaxy Tab 3 7.0 (released 2013). The Galaxy Tab A 10.1 (2019) has model numbers like SM-T510/T515 .
Disclaimer: Installing custom ROMs can break your device. Proceed with caution and at your own risk.
is a challenging but highly rewarding project for vintage hardware enthusiasts. While newer, modern iterations like Android 15-based LineageOS 22 cannot run smoothly on this device, custom ROM developers have built specialized legacy builds to keep this 2013 tablet functional.
is a notable chapter in the history of Android modding, characterized more by technical barriers than official successes
However, the community has produced builds. The most functional and commonly referenced are:
To maximize the performance of the existing hardware, you can flash a custom recovery and a debloated ROM:
Once the flashing process completes successfully, tap . Tap Reboot System .
Flash the ROM via TWRP to clear out factory bloatware and free up system memory. 2. Use Legacy App Stores and APKs
Inside the TWRP home menu, tap , then select Advanced Wipe .