Use our security support tool to how long mobile phones are supported with important software and security updates, and find out what to do if you're at risk A certified smartphones, tablets and ...

If you’re looking for a new SIM card, it’s important that you make an informed decision and find a deal that works best for you. Here are some reasons you might want to consider O2 for your next SIM ...

Our in-house expert researchers and journalists conduct independent, unbiased testing of eSIM services, assessing their real-life effectiveness and usability. By staying current with industry ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...

If you’re thinking of moving to a new network, and want to keep hold of the same iPhone, you may hit a snag: the device is locked to your current carrier and can’t be used with any other company.

You need a PUK code to unlock your phone, but how does it work and where do you find it? Here’s what you need to know. A PUK (personal unlocking key) code is a code that helps you unlock your mobile ...

There are three ways to get internet access when you're out and about: via mobile broadband, Wi-Fi hotspots – which you can often find for free – or tethering through your mobile. This uses your ...

Is my O2 phone already unlocked? The good news is that if you have bought a phone from O2 recently, it may already be unlocked. Any Apple devices bought since August 1, 2018, will be unlocked. All new ...

When unlocking a Huawei modem or Pocket WiFi, users may face issues like the device not recognizing a different carrier’s SIM card. This usually prompts a request for an unlock code, necessary to ...

Wondering how to leave your mobile network? We've compiled a guide for how to leave the most popular mobile providers from EE to Vodafone. Wondering how to leave your mobile network?If you've come to ...