Using unlocked US iPhone 5c in the UK
I'm hoping to get a sim free, unlocked iPhone 5c to use in the US, but will need to use it regularly in the UK, with a uk based SIM (O2 would be the carrier) Am I going to face difficulties or will it be ok. Do I need to ask for a specific firmware model or something when I go into the store?
I heard the 5 had compatibility problems, but can't find any info on whether they have been fixed for the 5c
Thanks in advance