O2 is one of the leading telecom brands in the U.K., providing mobile SIM card and broadband services. As a customer, it allows you to customize your monthly plan according to your needs. If you have ...

Good news for all the O2 customers out there who have been trying to get their hands on a new Micro SIM card for the iPhone 4, as we have just checked with a number of O2 stores throughout the UK and ...

We have been trying to find out information on how people who have pre-ordered the iPhone 4 from Apple, will get a new Micro SIM card from the five mobile operators in the UK. We have written a guide ...

UK mobile operator O2 is to slash international calling charges across its Pay & Go range, allowing its customers to make calls to mobiles and landline numbers from as little as 1p a minute, with ...

Following a tariff overhaul by T-Mobile last month, O2 is the latest network to revamp its monthly contracts. The original home of the iPhone is launching a new SIM-only tariff and updating its ...

O2's network collapsed overnight, but those signed up to other mobile providers shouldn't feel too smug: the outage caused carnage well beyond its direct customers. Waiting for a bus in London? The ...

Mobile network provider O2 has launched a new SIM deal which includes unlimited calls and texts, free data roaming and 30GB of data for just £10 per month. The 30GB of data SIM deal also comes with ...

I want to buy a new music phone but it's a T-Mobile pay-as-you-go handset and I'm currently on an O2 contract. I still have a few months left on the contract but I really want to change my phone. Is ...

SIM card problems can easily be determined by the error prompts and warning messages. Among the most common SIM errors that have plagued various Android devices ...