UMIDIGI Unveils Its First Prime S-Class Product, UMIDIGI S

bencebacsi

keepie replied at 2017-11-3 18:42
Hi I have a similiar problem
     My month old UMIDIGI S kept warning me that it had failed to upd ...

Hi,

When your phone is booted into recovery, press and hold the power and vol-up buttons (in this order) together, then release them to call the recovery menu. Now you can move with the volume buttons and select an item with the power button.
Try to Wipe data/factory reset or if that doesn't help, you can flash the whole system software with SP Flash Tool. Link: http://community.umidigi.com/thread-15898-1-1.html