If the screen stays black and won't turn on, don't panic. Usually, re-entering the update mode and re-flashing the original factory firmware will restore functionality. Where to Find Official Files?
A solid firmware feature for the would be an enhanced "One-Key Auto" for Low-Frequency Signals . fnirsi dsotc2 firmware
The climax of the DSOTC2 firmware story centers on independent developers. One of the most significant developments in this community was work often attributed to developers like and others. If the screen stays black and won't turn on, don't panic