Once the installation completes successfully, tap . The initial boot process can take up to 10 minutes as the new OS builds its cache. You will eventually be greeted by the LineageOS setup wizard. What Can You Do with Your Upgraded SM-T210R?

Swipe to confirm the flash. The installation process may take 3 to 7 minutes. Step 4: Reboot and First Setup

Power off the tablet. Press and hold Volume Down + Home + Power until the warning screen appears, then press Volume Up . Flash: Open Odin on your PC and connect the tablet. Click the AP button and select the TWRP .tar file. In the "Options" tab, uncheck Auto-Reboot . Click Start .

This is the final and most important question. The effort required to make an SM-T210R "work" with a custom ROM is significant, and the results are never going to make it feel like a modern tablet.

Check the boxes for: . Do not wipe Internal Storage unless you have copied your ROM files to an external MicroSD card. Swipe the slider at the bottom to execute the wipe. Step 3: Flash LineageOS and GApps

Use a reliable Micro-USB cable to connect the tablet to your PC.

To flash any custom ROM, you must first replace the tablet's stock recovery with Team Win Recovery Project (TWRP). Here's how to use Odin: