HELLO,I'm study this and I have done both firmware and hardware.But it doesn't work when I send order. It shows that there's no receive.I check and not find anything wrong.All firmware and hardware are yours,I haven't change anything,is my app which send order wrong?
HELLO,I'm study this and I have done both firmware and hardware.But it doesn't work when I send order. It shows that there's no receive.I check and not find anything wrong.All firmware and hardware are yours,I haven't change anything,is my app which send order wrong?