I turned a $80 RK3562 Android tablet into a Debian Linux workstation

Current public build (pre-release, May 14, 2026): - Release page: tech4bot/rk3562deb prerelease-14052026 - Direct image download: rk3562-debian.img.xz - Video demo: YouTube Run full Debian 12 Bookworm on your Doogee U10 tablet — no bootloader unlock required. Boot from SD card, remove it to return to stock Android. No changes to internal storage. Reverse engineered from scratch — no BSP, no vendor...