Our experts can help – we regularly trawl the deals and discounts to highlight the best offers, including Sim-only deals from as little as £5. Go to the best mobile phones shows the handsets that ...

Is Tesco Mobile a good ... Mobile Sim costs £8/month and it currently offers unlimited minutes & texts and 2GB/month data over a 12-month contract. See cheap Tesco Sims. Can I keep my mobile number if ...

Can I keep my mobile number if I switch to an O2 Sim-only deal? Yes, you can keep your old ... For those who prefer the pay-as-you-go (PAYG) flexibility, O2 offers PAYG sims that allow you to top up ...