(Optional) Once the ROM finishes installing, go back, select the file, and flash it right after. Once complete, tap Reboot System .

Upgrading this legacy tablet with a is the ultimate way to bypass Samsung's software end-of-life. By replacing the outdated factory software, you can install a newer, lightweight version of Android. This guide covers everything you need to know about finding, picking, and installing the hottest custom ROMs for your SM-T280. Why Your SM-T280 Needs a Custom ROM Right Now

Proceed only if you’re comfortable with flashing procedures and accept the risk of device instability; always keep a working stock firmware backup and verify downloads from trusted community sources.

By removing "bloatware," the tablet's idle battery drain is significantly reduced.