Code:
1. Power off device, wait 10-15 seconds
2. Press and hold BooKey ( 1 : BOTH VOL , 2 : VOL+ , 3 : VOL- )
3. Insert cable in device!
Wait for device ...
Device Connected!
BootVersion : SPRD3
Boot : INF : 0_SC9863x_BASE : SC9863_eMMC_3GB_RS
Sending Init Boot ...
ERROR : FDL Start Failed!
Error : Fail to boot FDL!
Unsupported device with selected fdl! Change settings!
Reconnect Power/Cable!
latest spd2 used !!