How to update eMMC firmware in tablet TREKSTOR SurfTab Twin 10.1. Model St10432-8

Hi Team.
I have tablet TREKSTOR SurfTab Twin 10.1. Model St10432-8 which during Windows installation shows disk as 7.2Gb and don’t allow to create partitions, GParted see full size 32Gb but also don’t allow to create partitions. As I’m understanding eMMC in panic/boot mode, and maybe it possible to flash it or do something else with this issue( except change emmc in tablet ).
In BIOS eMMC information says: Unknown M MOR 0726

Thank you in advice!

hello i have too and encountered the same problem Can you fix it? Can you please tell me how to do it? Thanks.