Galaxy S2 I9100 Unknown baseband repair by Octopus! ...[Reference]
PROCEDURE:
1-Put phone into Download mode
2-Connect powered-on phone to PC via Micro USB cable;
3-Install required driver;
4-Click "Repaire EFS" button;
5-Follow software instructions (prompts).
SCREEN SHOT:

REPAIR EFS DONE! IMEI 0049xxxxxxxxxxx

Repair IMEI sa Z3X para ma try ang new version ok naman


NOTE: Root your phone manualy to repair the IMEI.
Galaxy S2 I9100 Unknown baseband repair by Octopus!
PROCEDURE:
1-Put phone into Download mode
2-Connect powered-on phone to PC via Micro USB cable;
3-Install required driver;
4-Click "Repaire EFS" button;
5-Follow software instructions (prompts).
SCREEN SHOT:

REPAIR EFS DONE! IMEI 0049xxxxxxxxxxx

Repair IMEI sa Z3X para ma try ang new version ok naman


NOTE: Root your phone manualy to repair the IMEI.