Identify iphone carrier

greetings all,

have following problem:

friend of mine bought iphone 2g running 1.13 software.
when tried upgrading software via itunes 9.0.3, version 3.1.3, update successful in 1 thing: sim activation.

of course, friend thought phone firs bought in romania, due fact worked every network while had software version 1.1.3, after update, winding phone not work until activated.

result, gave me. tried downgrading software downgrading 1.1.3 version itunes asks sim activation, , don’t not know carrier network of phone. (due fact guy sold him told him carrier orange romania)

can me @ least identify carrier network iphone locked ?

has following information:

serial: 85751j0twh8
imei: 011365008285342

in advance!

 

my apologies not entirely answer question, should @ least phone working can jailbreak phone , unlock use carrier:

http://modmyi.com/guides/?p=3019/

 

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