Need Help - Iphone 4 "No Service"

[Just Sayin']

Basically, i have this Iphone and it shows no service, its on firmware 4.3.3 and on O2 UK.

Just wondering if anyone knows how to solve this, thanks in advance.

 

[Ricky]

I'm on the same boat, the iPhone's reception is shit.

 

[Just Sayin']

I know, I cant find much info in the internet either.