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Guides, articles and answers to help you get the most from Fuse — and from the four UK networks underneath.

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4G Home Broadband SIM: A UK Guide

A practical UK guide to using a 4G home broadband SIM in a router — who it suits, how to set it up, and why multi-network coverage matters.

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Guides

Step-by-step help for setup, switching and troubleshooting.

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GuideTroubleshooting·8 min read

eSIM Not Activating? Fix Common Issues

eSIM not activating in the UK? Fix 'activation failed', No Service, greyed-out settings and APN errors on iPhone, Samsung Galaxy and Google Pixel.

GuideSetup·7 min read

Transfer Your Number to an eSIM UK

You won't lose your number switching to an eSIM. Learn how to transfer via PAC code or in-app — covering same-network, new provider, and dual SIM paths.

GuideTechnology·8 min read

eSIM Compatible Phones UK: 2026 List

Find out which phones support eSIM in the UK in 2026 — with a full list by brand, a quick compatibility checker, and guidance on carrier-locked devices.

Blog

News, insights and analysis from the Fuse team.

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BlogSavings·6 min read

4G Home Broadband SIM: A UK Guide

A practical UK guide to using a 4G home broadband SIM in a router — who it suits, how to set it up, and why multi-network coverage matters.

BlogLifestyle·6 min read

Best Data SIM for a Tablet or Router

A data SIM for your tablet, iPad, or MiFi router changes everything — here's how to choose the right one and why multi-network coverage matters.

BlogTechnology·6 min read

Can You Have Two eSIMs on One Phone?

Most phones can store multiple eSIM profiles — but how many can you actually use at once? Here's everything you need to know about dual eSIM on iPhone and Android.