Sim only deals with 1gb internet, existing customers.
Best iPhone 7 Deals and Contracts.
View all O2 SIM only deals. The good news is that your iPhone or any other mobile before the end of your contract can be unlocked - the bad news is that most networks make you pay for the privilege.
It's usually the case when a flagship phone hits the market and contracts are made deliberately expensive. While some sites out there will be paid larger fees for pushing people to specific deals that aren't necessarily the cheapest, TechRadar will always find you the absolute best value.