Easier Solution:
C100 Unloker Download
1. run program, press "WRITE IMEI"
2. turn on phone
3. connect cable to phone
4. press power off and wait, phone must power off and after that after 1-3 seconds at display you will see 3 fat lines "RED, GREEN, BLUE"
5. in program press "UNLOCK", and you are happy(i think)
THANKS TO ELF
He used a "china box", and I used a Samsung Jig box, so donīt know if works just by simple cable...
Anyway, if u have a box this will work 100%, tested it myself.