Hello guys i have an blackberry curve 8310 but my software has crashed i wan’t to upgrade from 4.2.2 orginal OS to 4.5 os but the problem is i don’t know which company it is (AT&T,Vodafone, or T-mobile or another compnay) now the question is does it have any problem upgrading my Blackberry OS from Vodafone or T-mobile software or another company!!!
Best Wishies
