Half Cooked’s Overall Rating for O2: 4 out of 5 stars (4 / 5)
Network Coverage and Speeds – O2 has good 2G, 3G and 4G coverage, but the network’s data speeds are tracking behind its competitors.
Voice Call Quality – O2’s voice call quality is improving, however it’s still behind the likes of EE and Vodafone.
Tethering – O2 allows tethering, but limits customers in some ways.
Wi-Fi Calling & 4G Calling – Both voice call quality improving features are supported with specific plans
Wi-Fi Hotspots – O2 is one of the best when it comes to Wi-Fi hotspots. Wi-Fi Extra is a great perk for voice quality.
International Roaming – O2’s inclusive roaming options are great if you purchase a premium plan.
O2 Priority – The mobile network’s loyalty programme is one of the best, with a number of offers available daily.
O2 Refresh – When you buy a handset from O2, you can split your bill into two. One for your handset and one for your airtime.
O2 Bolts Ons – These are O2’s add-on options for when your price plans come short on your minutes, texts or data. You can also buy Bolt Ons for international calling and roaming abroad.
Unlimited Data Plans – O2’s unlimited data plans have a fair usage cap of 650GB. You can also tether to a maximum number of 12 devices.
Custom Plans – O2 allows you to build a custom plan when buying a handset from the O2 Store.
Data Rollover – This is only available on O2’s PAYG plans.
Family Plans – You can get up to 40% discount on O2’s family plans. Plus you’re allowed to have 20 contracts under one account.