LineageOS is the most common candidate for these ports. While some experimental builds of Android 9 (Pie) and Android 10 have been attempted for the Tab 4 series, the SM-T285 variant faces specific challenges. Because it uses a proprietary Spreadtrum SoC, finding stable drivers for the camera, GPS, and cellular radio on newer Android versions is extremely difficult. Risks of Modding Legacy Hardware
Installing these requires unlocking the bootloader and flashing a custom recovery like Why Update? smt285 android 10 upd