Just received my M5Dial few days ago...late christmas gift to myself...
there are 2 easyloader projects available,
also if you look in to arduino examples (with latest M5 board manager) there are few built in simple projects too,
I've used uiflow2 burner to load firmware which went in it no problem, then loaded some arduino examples ok, then suddenly uiflow2 lost ability to connect, m5burnerv3 couldn't connect too,
finally managed to use uiflow2 burner again with back button press to load latest firmware alpha29, bizarre as previous uiflow2 burner loading alpha28 didn't required back button press at all.
M5Dial makes very interesting device. Journey started. Check X (twitter) for #M5dial tweets - there is one example showing space station tracker and some doing earth rotations/moon phases...earth rotation one looks like its 3d display...