Fuse Mobile
One eSIM, all four UK networks — always the strongest signal
Fuse Mobile launched on June 15, 2026 with 6 votes, #2,066 of 22,647 launches that month and more than 75% of that year's launches.
What it does
Every UK SIM locks you to one network — and every network has dead zones. Fuse is a data-only eSIM that connects to all four (EE, Three, Vodafone, O₂) at once and auto-switches to whichever has the strongest signal where you are — invisibly, same number, no second app, no contract. Setup is a 90-second QR scan. From £5.99/mo with a 7-day free trial, so you can test it in your own dead zones before paying.
UK multi-network data-only eSIM: all four UK networks auto-switching to the strongest signal, plus roaming in 120+ countries on Pulse & Surge. 7-day trial.
Your phone connects to EE, Three, Vodafone, and O₂ through a single eSIM. It automatically picks the strongest signal wherever you are — so you never lose connection again. One plan, everywhere: Pulse and Surge include roaming, so your data keeps working — free — in 120+ countries abroad. Fuse Mobile is a UK multi-network data-only eSIM. It uses all four UK mobile networks — EE, Three, Vodafone, and O₂ — and connects your phone to whichever has the strongest signal, automatically. On Pulse and Surge , your data also works in 120+ countries abroad at no extra cost. 17% of the UK has no reliable 4G from any single network (Ofcom). Every UK network has weak-signal gaps — they just don’t line…from fusemobile.co.uk
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I built a Switchless eSIM that works in 200 locations and regions2024 · truely.com · ▲17Hello HN, A year ago, I started the journey to create what we call a Switchless eSIM for travelers. The problem we’re solving comes from first-hand experience with accessing data while traveling overseas. The old methods like swapping SIMs, paying high roaming fees, or relying on WiFi are inconvenient and costly. Our solution is a single eSIM that you install once, then buy data for any country you travel to, and get connected instantly. Our app will be live in the next few days (hopefully), so for now, it’s just web. I would love to know if you’ve used eSIMs when travelling overseas and…


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