hello me with c 300 i ve triyed several time and also i modifed a cable.
6-7 Vbat
8 data+
14 data -
22-23-24 GND
COM8 [VCP0] selected
Phone must be POWERED-ON !
Cable must be in "DATA" mode !
Connecting, wait...
Phone connected. Working...
active lock(s) found, working...
Finished, time used: 11 sec
Power-off phone by "Power" button (don't remove battery).