this is a handy app to keep tabs on your allowances of calls and txts. also tells you what tariff your on, and upgrade date, and various other things.
this is afree app off itunes
Had this a while myself.
O2 | iPhone Apps | Discover My O2 Apps for iPhone
this is afree app off itunes
Had this a while myself.
O2 | iPhone Apps | Discover My O2 Apps for iPhone