Compare Deals and save hundreds of pounds Sim Only Deals Phone Deals O2 has 4G coverage for around 99% of the UK population, so you’re likely to be able to get a speedy data connection in most places. It also has a rapidly growing 5G network, so you’ll be able to enjoy the fastest speeds possible in a lot of places (assuming you also have a 5G phone).
Speaking of which though, O2 also stocks a wide range of smartphones (in both 4G and 5G varieties), and it offers plans with unlimited data.
Plus, O2 offers flexible smartphone plans which let you pick a duration that suits.
O2 gives you free access to over 16,000 Wi-Fi hotspots across the UK, and the network supports both Wi-Fi Calling and 4G Calling (also known as VoLTE). So one way or another you should always be able to stay in touch.
Plus, with O2 Priority you’ll get access to deals and offers, along with early gig ticket sales.
All O2 plans include free roaming in 48 European destinations, with many additionally letting you use 120 minutes, 120 texts and data roaming in 27 additional locations outside Europe.
O2 allows you to tether on Pay Monthly and SIM-only contracts, and you can use as much of your data as you want towards this.
Simply give O2 your PAC code either when you place your order or at any time afterwards (though your old account and number needs to still be active).
To get your PAC code, either ask your old network for it or text 'PAC' and your date of birth (in the format DDMMYY) to 65075 from the number you want to keep.
If you give O2 your PAC code before 5PM on a working day then your number will be transferred the next working day – otherwise it will take two working days.
