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What the team's writing about eSIM tech, UK coverage, network switching and life with a multi-network SIM.

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Roaming

Roaming SIM UK: One SIM, 120+ Countries

A roaming SIM UK gives you data at home and abroad on one plan — no daily fees, no second SIM. Here's how it works and how Fuse covers 120+ countries.

6 min readRead

Savings

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.

6 min readRead

Lifestyle

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.

6 min readRead

Technology

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.

6 min readRead

Savings

Data-Only SIM UK: The Complete Guide

Looking for a data-only SIM in the UK? Here's what to look for, the best use cases, and why multi-network coverage changes everything.

6 min readRead

Lifestyle

Data SIM for a Smartwatch or Wearable

Cellular smartwatches need their own data connection to work independently. Here's how eSIM works in wearables and what to look for in a UK data SIM.

6 min readRead

Technology

Does an eSIM Work Without Signal?

An eSIM needs signal like any SIM — but a multi-network eSIM fixes dead zones by switching between all four UK networks automatically.

6 min readRead

Technology

Does an eSIM Work Without Wi-Fi?

Once active, an eSIM works entirely on the cellular network — no Wi-Fi needed. Here's when you do need it, and when you don't.

6 min readRead

Coverage

How Many Mobile Networks Are There in the UK?

There are four mobile networks in the UK — EE, Three, Vodafone, and O2. Here's what that means for your coverage, and why most people don't realise which one they're on.

6 min readRead

Technology

How to Remove an eSIM From Your iPhone

Need to remove an eSIM from your iPhone? This step-by-step guide covers exactly how to do it, what happens to your plan, and when you should (or shouldn't).

6 min readRead

Technology

Instant eSIM: Get Connected in Minutes

Instant eSIM activation means going from sign-up to connected in under five minutes — no waiting for a SIM in the post, just scan a QR code and go.

6 min readRead

Lifestyle

Second Phone Number on One Device

Two numbers, one phone — here's how to set up a second phone number via eSIM for work and personal use, and why multi-network coverage makes all the difference.

6 min readRead

Savings

SIM-Only Deals With Roaming Included

Not all roaming is equal. Here's what to look for in a SIM-only deal with roaming included — and how Fuse covers 120+ countries with no add-ons.

6 min readRead

Technology

Smart eSIM Explained: How It Works

A smart eSIM is an embedded SIM that switches automatically between multiple networks for the best signal. Here's how it works in the UK.

6 min readRead

Technology

Smart SIM vs Multi-Network eSIM

Smart SIMs and multi-network eSIMs both promise better coverage — but they work very differently. Here's what actually sets them apart.

6 min readRead

Coverage

UK Mobile Networks and Providers (2026)

The UK has four mobile networks — EE, Three, Vodafone and O2 — plus dozens of providers (MVNOs) that run on them. Here's every UK mobile network provider explained, and why multi-network beats picking just one.

6 min readRead

Technology

Lost Your Phone? What Happens to Your eSIM

Lost your phone? Here's what actually happens to your eSIM, why it's safer than a physical SIM, and how to recover your service fast.

6 min readRead

Technology

What Is a Mixed-Network SIM?

A mixed-network SIM connects to multiple UK networks and switches automatically to the strongest signal — here's how it works and why it matters.

6 min readRead

Technology

What Is a Smart SIM? UK Guide (2026)

A smart SIM connects to multiple UK networks and picks the strongest signal automatically. Here's how it works and why it beats a traditional single-network SIM.

6 min readRead

Technology

What Is a Virtual SIM Card?

A virtual SIM card does everything a physical SIM does — but in software. Here's how eSIM technology works, why it's more secure, and who it's for.

6 min readRead

Technology

What Is an MVNO? A Plain UK Guide

MVNO stands for Mobile Virtual Network Operator — a provider that rents capacity from one UK network. Here's what that means for your coverage.

6 min readRead

Roaming

Roaming on a Cruise: Your Phone at Sea

At sea, maritime satellite roaming isn't covered by any UK plan — but in every port, Fuse Pulse and Surge include roaming in 120+ countries with no daily fees.

7 min readRead

Roaming

Does Airplane Mode Stop Roaming Charges?

Yes, airplane mode stops roaming charges — but there's a smarter fix. Here's the honest explanation of what actually works, and why.

6 min readRead

Roaming

How Much Data Do You Need Abroad?

Work out exactly how much mobile data you need for your holiday abroad — from light users to heavy streamers — and which Fuse plan fits your trip.

6 min readRead

Lifestyle

How Much Data Does Google Maps Use?

Google Maps uses far less data than most people expect. Here's the real usage breakdown — plus how to navigate using zero data at all.

6 min readRead

Lifestyle

How Much Data Does Netflix Use?

Exactly how much data Netflix uses per hour at every quality setting — plus a monthly usage table and which Fuse plan fits your streaming habits.

6 min readRead

Lifestyle

How Much Data Does Spotify Use?

Find out exactly how much data Spotify uses per hour and per month, by quality setting — plus which Fuse plan suits your listening habits.

6 min readRead

Lifestyle

How Much Data Does YouTube Use?

YouTube data usage ranges from 90 MB/hour at 144p to 7 GB/hour at 4K. Here's exactly how much each quality setting uses — and how to cut your mobile data bill.

6 min readRead

Lifestyle

How Much Mobile Data Do I Need? (UK)

Most UK smartphone users need between 8GB and 12GB of mobile data per month. Here's how to work out exactly what you need — and what you're likely wasting.

7 min readRead

Roaming

How to Check Data Roaming Is Working Abroad

A step-by-step guide to confirming your roaming is active before you fly, what to look for when you land, and how to fix it if data isn't connecting.

6 min readRead

Coverage

How to Check Mobile Coverage in Your Area

Coverage maps only tell part of the story. Here's how to use a mobile coverage checker in the UK properly across all four networks — and what to do when the results aren't good enough.

8 min readRead

Lifestyle

How to Check Your Mobile Data Usage

Step-by-step guide to checking your mobile data usage on iPhone and Android, setting warnings, and reading your usage in the Fuse app.

6 min readRead

Lifestyle

How to Reduce Mobile Data Usage

Burning through your data allowance too fast? This practical checklist covers every setting and habit that will cut your mobile data usage on Android and iPhone.

6 min readRead

Roaming

Roaming Charges on Wi-Fi Abroad: The Truth

Using Wi-Fi abroad won't trigger roaming charges — but your phone can still use mobile data without you realising. Here's what to watch for.

7 min readRead

Roaming

Roaming Outside Europe With a UK Phone

Most UK plans stop at Europe — Fuse Pulse and Surge include roaming in 120+ countries across Asia, the Americas, the Middle East, and Africa with no daily fees.

6 min readRead

Roaming

Should Data Roaming Be On or Off?

Whether data roaming should be on or off depends entirely on your plan — here's what UK travellers need to know before switching anything.

6 min readRead

Savings

SIM Cards With No Credit Check UK

Been refused a phone contract? You probably don't need one. Here's why SIM-only plans require no credit check — and how to get connected today.

7 min readRead

Savings

Cheapest SIM-Only Deals UK: Best Value

Looking for the cheapest SIM-only deal in the UK? Here's how to compare price per GB, contract length, roaming, and network coverage — and why total value beats headline price every time.

7 min readRead

Lifestyle

Switch Mobile Network, Keep Your Number

Switching mobile network in the UK takes minutes — get a PAC code, keep your number, activate a new SIM. Here's the full how-to, plus why a multi-network eSIM changes what you switch to.

7 min readRead

Roaming

Using Your UK Phone in Europe: 2026 Guide

Post-Brexit roaming explained for UK travellers in 2026 — how daily fees add up, which European countries Fuse covers, and how Pulse and Surge include roaming at no extra cost.

8 min readRead

Roaming

What Happens to Your Data Plan Abroad?

Daily fees, roaming add-ons, or included allowance — here's exactly what happens to your UK data plan when you go abroad, and how to avoid surprise charges.

6 min readRead

Coverage

Which UK Network Has Best Coverage? (2026)

EE, O2, Vodafone and Three each win in different places — so the best network depends on where you are. See what the 2026 coverage data shows, and how to get all four on one SIM.

7 min readRead

Roaming

Do You Need a Travel eSIM Abroad?

If your UK plan already includes roaming, a separate travel eSIM may be unnecessary. Here's how to work out which you actually need.

7 min readRead

Roaming

Does Your UK Phone Work Abroad?

Not all 'roaming included' plans are equal — some charge daily fees, some cover EU only. Here's what to look for, and how Fuse does it differently.

6 min readRead

Roaming

How Daily Roaming Fees Actually Work

Daily roaming fees trigger the moment your phone connects abroad — even on a Wi-Fi-only day. Here's the maths, and how to avoid the bill shock.

7 min readRead

Roaming

How to Turn On Data Roaming (iPhone, Android)

A step-by-step guide to enabling data roaming on iPhone and Android before you travel, including eSIM-specific steps and a pre-departure checklist.

7 min readRead

Roaming

Is EU Roaming Still Free for UK Travellers?

EU roaming is no longer free for UK travellers after Brexit — here's what actually changed, why daily fees crept back, and how to avoid them entirely.

7 min readRead

Roaming

Roaming vs a Travel eSIM: Do You Need Both?

If your UK eSIM plan already includes roaming in 120+ countries, you don't need a separate travel eSIM — Fuse Mobile explains why.

7 min readRead

Roaming

Which UK SIM Has No Roaming Charges?

Not all 'no roaming charges' claims are equal. Here's what to actually look for — and how Fuse's Pulse and Surge plans measure up.

6 min readRead

Roaming

Why Daily Roaming Fees Add Up Fast

Daily roaming fees of £2–£5/day add up to £28–£70 on a two-week holiday. Here's why they catch travellers out — and how included roaming fixes it structurally.

7 min readRead

Company

The Fuse Mobile App, Explained

A practical walkthrough of the Fuse Mobile app — how to activate your eSIM, track data, switch plans, and manage your account in one place.

6 min readRead

Technology

How to Activate an eSIM on Android

A device-specific guide to activating an eSIM on Android — covering Samsung Galaxy, Google Pixel, and more, with step-by-step instructions for each.

6 min readRead

Technology

Mobile Networks UK: All Four, One eSIM

EE, Three, Vodafone, O2 — the UK has four major mobile networks, and no single SIM connects to all of them. Here's what that means for your coverage, and how a multi-network eSIM fixes it.

7 min readRead

Savings

SIM-Only Deals UK: Why Rolling Plans Win

Price matters, but coverage matters more. Here's why monthly rolling multi-network SIM-only plans beat cheap single-network deals in 2026.

7 min readRead

Technology

eSIM vs Physical SIM: UK Comparison

Discover the key differences between eSIM and physical SIM cards in 2026, from signal strength to security, with UK-specific insights.

6 min readRead

Coverage

No Phone Signal? Causes and Fixes UK

No phone signal in the UK? Networks' '99% coverage' claims don't match reality. Here's what causes dropped signal, dead zones, and how a multi-network eSIM fixes it for good.

6 min readRead

Technology

How to Choose a Multi-Network SIM (UK Guide)

Not every 'multi-network' SIM is equal. A practical UK buyer's guide: the five things to check before you buy, SIM card vs eSIM, and how to test coverage first.

7 min readRead

Savings

No Contract SIM UK: Rolling vs 24-Month

Monthly rolling SIM plans now beat 24-month contracts on cost, flexibility, and network quality. Here's why locking in is no longer worth it in 2026.

6 min readRead

Savings

Pay Monthly SIM: Why Rolling Plans Win

A pay monthly SIM lets you get mobile data with no contract, no credit check, and no lock-in — and in 2026 it almost always works out cheaper than a 24-month deal. Here's everything you need to know.

6 min readRead

Savings

Hidden Costs of Cheap Mobile Deals

That £15 monthly mobile deal could actually cost you £760 over 24 months thanks to hidden fees, overage charges, and sneaky price rises.

6 min readRead

Coverage

Rural Mobile Coverage UK: The Fix

Rural mobile coverage UK remains poor for millions — Ofcom data shows only 42% of rural land has outdoor 4G from all four operators. Here's why, and how a multi-network eSIM auto-switching between EE, Three, Vodafone and O2 solves it.

7 min readRead

Coverage

The UK Coverage Myth: What 99% Means

UK networks claim 99% coverage, but these statistics hide the reality of dead zones, indoor failures, and signal quality issues. Here's how to use a UK mobile coverage checker properly — and why multi-network eSIMs sidestep the problem entirely.

6 min readRead

Technology

Why Single-Network SIMs Fail You

Single-network SIMs leave you stranded with coverage gaps, congestion, and outages — discover why a multi-network SIM in the UK is the superior solution.

7 min readRead

Company

Welcome to Fuse Mobile

We're building a better way to stay connected. Here's why we started Fuse Mobile, what makes us different, and how multi-network technology works.

3 min readRead

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