Vcc: null
Gnd: 18
Analyzing D+ and D-...
D+ = 21, D- = 22
Analyzing USB device, please wait...
Find USB device:SCI USB2Serial (COM132), (VID_1782&PID_4D00)


Internal version: SPRD3
Boot downloaded.
Start boot please wait a moment....
>>Please put the baud set 115200, try again.