Because getting Android 7 running on a Spreadtrum chip from 2015 is a technical miracle. Developers like Haky86 and KernelPanic (community handles) managed to patch the ION memory allocator and fix the dreaded "SeLinux permissive" bootloop.
The custom ROM has significantly improved the performance of my Tab A6. Animations are smoother, app launch times are faster, and overall system responsiveness is much snappier. I've also noticed a moderate improvement in battery life, which is likely due to the optimized kernel and software tweaks. samsung galaxy tab a6 smt280 custom rom hot
: Access the latest versions of apps that no longer support Android 8. Because getting Android 7 running on a Spreadtrum
Samsung tablets from this era lock their bootloaders. You need to enable "OEM Unlock" in Developer Options. If the option is greyed out, you may need to set the date back a month to bypass Samsung’s RMM/KG lock. Animations are smoother, app launch times are faster,