Lenovo provides support for the Tab M8 (TB8505X) through various channels, including:
running smoothly again often comes down to one thing: the right firmware. Whether you're stuck in a boot loop, dealing with lag, or just want a fresh start, here’s a quick guide to getting it done. lenovo tab m8 tb8505x firmware
You likely flashed the wrong region firmware (e.g., CN firmware on a ROW tablet). Reflash with the correct regional build. Lenovo provides support for the Tab M8 (TB8505X)