If you want a "Pixel-like" experience. This is a debloated, Google-centric version of the software that feels much lighter than the original Samsung firmware.
You will often search for for the SM-T280. They do not exist (in stable form). The Spreadtrum chipset has closed-source drivers. Without Samsung releasing updated kernel sources, developers cannot build Android 8+. samsung galaxy tab a6 smt280 custom rom top
Samsung devices are notoriously locked down. To install a Custom ROM, you must unlock the bootloader. If you want a "Pixel-like" experience
If you are holding onto this device and refuse to let it go, installing a Custom ROM is the best way to breathe new life into it. It can improve performance, extend battery life, and give you a modern Android experience. extend battery life