I had update my firmware of k750i to the latest 1, and after i restarted my phone, it shows "Insert correct SIM card"...

I found this thread and i downloaded the farmanager.Where can i get these files??

i. SEFP010044
ii. SEFP010051
iii. db2010cid49_4_alpha

and...anyone can tell me how to fix my phone ?? thanks a millions...