Having worked at the BBC and in commercial radio before joining Which?, James produces our always-on podcasts, and oversaw the launch of our member-exclusive podcasts in 2025. Save article Set as ...

Plus some essential advice to save money on your mobile when going on holiday this summer *All recommendations within this article are informed by expert editorial opinion. If you click on a link in ...

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O2 is one of a growing number of mobile networks that lets you use an eSIM (also known as an embedded SIM) rather than a removable SIM card. There are lots of advantages to eSIMs, including them ...

On EE you’re not limited to physical SIM cards, as this is one of a number of networks that lets you optionally use an eSIM instead. These embedded SIMs are built into your device, so you don’t need ...

Making a "permanent" move back to the UK? If you want to keep your US mobile number and switch to a new UK number for your daily life, this is for you. My recent experience migrating an Android (from ...

Virgin Media O2’s 3G network has already been switched off across parts of the UK. Mikael Buck/Virgin Media O2 Virgin Media O2 is pressing ahead with the shutdown of its 3G network across the UK, in a ...

EE customers are being urged to check their bills after thousands of customers were overcharged while on holiday. The telecoms giant charged customers travelling to Europe double the usual roaming ...

Chiara is an award-winning investigative reporter who specialises in banking and fraud, joining Which? in 2015 following six years as a personal finance journalist at a national newspaper. Save ...

So I've been seeing a lot of complaints around the forum recently with regards to O2 failing to process orders, sim card compatibility with 5G and other things. As I'm also one of these people ...

I really thought transferring my O2 eSIM from my old iPhone to my new one would be quick and simple... but no. The transfer request has generated an order number that could take 24 hours to process.

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