UMI eMAX mini - DeadBoot after reset to factory settings; All eMax mini affected

@tkins

Becaus this point wasn't listed as complaint:

After a reset to factory settings, the phone will go into the DeadBoot due to missing recovery and only partially working bootloader.
DeadBoot means, the screen will always be black  (after a white screen with logo of UMI). No common/officially way out. The phone is killed.
The recovery is missin on ALL eMax mini. At the moment UMI dosn't provide a solution or an workaround.
Beside: You can try to start the factory reset from Android settings or directly by boot into the (not existing) recovery. The result is allways the DeadBoot because: All roads lead, not to Rome, but to the (not existing) recovery.