But Brits say they've discovered a hidden hack to bag a whopping three months of unlimited mobile data - for only a fiver.

Either way, they will send you a new SIM card (or an eSIM virtually), giving you access to unlimited data on their network. You'll start experiencing slower speeds if you exceed 40GB of monthly ...

It's Helium's free plan that's likely to draw the most attention, as 3GB of data is a pretty sizable chunk to offer customers ...

Includes 4 GB of data, Hotspot capable≈ Unlimited Carryover of unused data with active service*. This plan is compatible with most Tracfone prepaid phones, a lineup of the latest devices ...

Whichever route you choose, just activate your eSIM or install the physical SIM card, go through a quick setup process, and you'll be all set with unlimited talk and text, plus however much data ...

It costs $12.50 and gets you 20 GB of data, unlimited texts and local calls ... Supporting the same features as physical SIM cards, the Sim Local eSIM includes the ability to set up mobile ...