Vcc: 21 Gnd: 23 Analyzing D+ and D-... D+ = 19, D- = 17 Analyzing USB device, please wait... Find USB device:SCI USB2Serial (COM11), (VID_1782&PID_4D00) Internal version: Spreadtrum Boot Block version 2.0 Boot downloaded. Start boot please wait a moment.... Spreadtrum Boot Block version 1.2 CPU TYPE:SC6610/20 [66100000] FLASH ID: 00C8004000160000 Flash Type:[GD] GD25Q32 Size:0x400000(4MB) >>Set to Factory successfully.