im a chinese student, Sorry about my english.
I cant use my app to updata my H9,when the H9 finish writing , its will Restart,then its said “Update Bad” on the screen , i had try 4-5times .
and i cant use bluetooth to connect my H9 on Mac. I had download H9 contrl for 10.10. but its doesn’t work
pleaes help me~~~ thanks!