Sp7731e 1h10 Native Firmware 2021 -

This indicates a connection drop. Try a different USB port, swap the USB cable, or reinstall the Spreadtrum drivers.

Install Droid Info from the Play Store. Under the tab, search for: sp7731e 1h10 native firmware 2021

When the screen lit up, the wallpaper was gone. Replaced by a single line of green terminal text on a black background: This indicates a connection drop

Reviving a device that was accidentally flashed with the wrong software version. Prerequisites Before Flashing swap the USB cable