Unlike modern Samsung phones, the Tab A6 does not have a simple "OEM Unlock" toggle in the developer options that makes everything easy. You often have to flash a rooted stock firmware or a patched kernel first to gain root access, which then allows you to flash TWRP.
Because this uses a Spreadtrum chipset (not Qualcomm or Exynos), development has always been niche. You will not find LineageOS 20 (Android 13) here due to driver limitations. However, several stable ROMs bridge the gap between E-Waste and usability. samsung galaxy tab a6 sm-t285 custom rom
Do you plan to use this tablet for a like media streaming, reading, or running smart home dashboards? Unlike modern Samsung phones, the Tab A6 does