mirror of https://github.com/xSmurf/md398-re.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
720 B
720 B
MD398 Reverse Engineering
Resources for the Tytera (TYT) MD398 (aka Radioddity GD-55).
General Information
The programming cable is actually a common USB to TTL serial interface (not an actual USBN device). It's still not impossible the radio could appear as a DFU usb device for uprgades however.
Boot Modes
Different boot modes seem to be available:
| PTT | TOP SIDE BUTTON | BOTTOM SIDE BUTTON | EMERGENCY BUTTON | Function |
|---|---|---|---|---|
| X | X | Flip + Mirror screen | ||
| X | X | ??? Black screen no chime, upgrade mode? | ||
| X | X | GPS Test mode |