Pritom M10 Firmware Work [2021] Link
A: "Download Only" mode preserves data; "Firmware Upgrade" erases system but keeps user data; "Format All" erases everything.
Use the exact chipset + “firmware download” (e.g., “Allwinner A133 firmware download”) rather than just “Pritom M10.” pritom m10 firmware work
With unofficial firmware, the risk of bricking is high. Only reflash if: A: "Download Only" mode preserves data; "Firmware Upgrade"