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Independent UK Mobile Guidance · 9 Networks · Updated June 2026

Nine UK networks.
One free, honest guide.

Wiseclearwise provides completely independent guidance on every major UK mobile network — with deep focus on O2, Sky Mobile and EE. Free guidance line, no affiliation, no sales pressure.

⚠️ Independence declaration: Wiseclearwise is NOT affiliated with O2, Sky Mobile, EE, Three, Vodafone, Tesco Mobile, Lebara, iD Mobile, Giffgaff, or any UK mobile network. Calling 0808 280 6350 (free line) reaches Wiseclearwise's own independent team — never any network's customer service.
Compare All 9 Networks 📞 0808 280 6350 — Free
Main Focus Networks
O2 Focus
The traveller's network
›
Sky Mobile Focus
The flexible switcher's network
›
EE Focus
UK's widest & fastest 5G
›
+ 6 more networks covered in full
O2: Only major MNO with free EU roaming on ALL standard plans — 25GB across 48 destinationsSky Mobile: Piggybank stores unused data for up to 12 months — unique in UK mobileEE: Widest 5G coverage: 87%+ UK population across 500+ towns — fastest 10+ years runningThree: Fastest 5G speeds: 140MHz spectrum, ~187Mbps median download (Opensignal Jan 2026)Giffgaff: Community-owned MVNO on O2 — no contracts, pause anytime, member rewardsTesco Mobile: #1 Ofcom customer satisfaction — Clubcard points on every bill, no annual risesVodafone: Global Roam in 84 countries — widest worldwide roaming of any UK MNOLebara: Free calls to 50+ countries including India, Pakistan, USA on every planiD Mobile: Data rollover + no CPI rises on SIM Only — 50 destinations including USA & AustraliaO2: Only major MNO with free EU roaming on ALL standard plans — 25GB across 48 destinationsSky Mobile: Piggybank stores unused data for up to 12 months — unique in UK mobileEE: Widest 5G coverage: 87%+ UK population across 500+ towns — fastest 10+ years runningThree: Fastest 5G speeds: 140MHz spectrum, ~187Mbps median download (Opensignal Jan 2026)Giffgaff: Community-owned MVNO on O2 — no contracts, pause anytime, member rewardsTesco Mobile: #1 Ofcom customer satisfaction — Clubcard points on every bill, no annual risesVodafone: Global Roam in 84 countries — widest worldwide roaming of any UK MNOLebara: Free calls to 50+ countries including India, Pakistan, USA on every planiD Mobile: Data rollover + no CPI rises on SIM Only — 50 destinations including USA & Australia
Main Focus

O2, Sky Mobile & EE — deep detail guides

Full history, features, plan analysis, service quality, customer feedback and guidance. More depth than any other source.

Main Focus
O2
The traveller's network · Virgin Media O2
Only major MNO with free EU roaming on all standard plans. Data Rollover every month, O2 Priority rewards and the UK's first satellite-to-mobile coverage via Starlink (2026).
Free EU roaming — all plans, 25GB, 48 destinationsData Rollover — never lose unused dataO2 Priority — events, freebies, early ticketsSatellite rural coverage via Starlink 2026
~23M
Subscribers
99%
4G Cover
~70%
5G Cover
★★★★☆ 4.4/5
Full Guide →
Main Focus
Sky Mobile
The flexible switcher's network · Sky UK (Comcast)
Piggybank saves unused data (12 months). Mix plans flex monthly. Swap12 upgrades every year. Best for existing Sky TV households.
Piggybank data saving — unique UK featureMonthly data flexibility (Mix plans)Swap12 — annual phone upgrade cycle
12mo
Piggybank
99%
4G via O2
Swap12
Upgrades
★★★★☆ 4.2/5
Full Guide →
Main Focus
EE
UK's widest & fastest 5G · BT Group
87%+ population 5G coverage across 500+ towns. Independently rated fastest network 10+ consecutive years. Inclusive Extras on higher tiers.
Widest 5G — 87%+ UK populationFastest combined average 10+ yearsInclusive Extras: Netflix, Apple Music, Xbox
87%+
5G Cover
53.2Mbps
Avg DL
500+
5G Towns
★★★★½ 4.6/5
Full Guide →
All 9 Networks

Every major UK network — independently assessed

O2 Focus
MNO
4.4

VMO2 JV with 23M subscribers. Only major MNO with free EU roaming on all plans (25GB, 48 destinations). Data Rollover, O2 Priority rewards, satellite rural coverage (2026). Fixed £2.50/month annual rise.

~23M
Subscribers
99%
4G
~70%
5G
Guide →
Three
MNO
4.5

VodafoneThree post-merger. 140MHz 5G spectrum — fastest in UK at ~187Mbps. Go Roam 160+ worldwide on Complete. 30-day rolling plans exempt from annual rise. PAYG eSIM unique in UK.

27M+
Subscribers
99%
4G
~62%
5G
Guide →
EE Focus
MNO
4.6

BT Group. Widest 5G (87%+, 500+ towns). Fastest network 10+ years. 5G+ SA since Sept 2024. Inclusive Extras (Netflix, Apple Music, Xbox) on higher tiers. £2.50–£4/month annual rise.

~21M
Subscribers
99%
4G
87%+
5G
Guide →
Vodafone
MNO
4.1

VodafoneThree. Global Roam 84 countries on Unlimited Max Xtra — widest UK MNO roaming. Entertainment perks (Disney+, Prime, YouTube). Best UK business plans. £2.50/month annual rise.

27M+
Subscribers
99%
4G
Growing
5G
Guide →
Tesco Mobile
MVNO
4.7

O2 MVNO with 5.7M subscribers. #1 Ofcom satisfaction. Clubcard points every bill. Clubcard Price plans freeze monthly rate — no annual rises. 25GB EU roaming on most plans.

5.7M
Subscribers
99%
4G
Via O2
5G
Guide →
Sky Mobile Focus
MVNO
4.2

O2 MVNO by Sky UK (Comcast). Piggybank 12-month data storage. Mix plans change monthly. Swap12 annual upgrade. Best for Sky TV & Broadband bundle customers. RPI-linked rise with exit right.

N/A
Subscribers
99%
4G
Via O2
5G
Guide →
Lebara
MVNO
4.3

Vodafone MVNO. Free calls to 50+ countries on every plan (India, Pakistan, USA, Nigeria). No annual price rises. 30GB EU + India roaming. 5G free. Best for international callers.

5M+
Subscribers
99%
4G
Via Vodafone
5G
Guide →
iD Mobile
MVNO
4.3

Three MVNO by Currys plc. Data rollover all plans. No CPI/RPI rises on SIM Only. 50-destination roaming (EU + USA, Canada, Australia). In-store support at Currys locations.

2.2M
Subscribers
99%
4G
Via Three
5G
Guide →
Giffgaff
MVNO
4.2

O2 MVNO run as a community. No fixed contracts — pause or cancel anytime via goodybag add-ons. Member rewards scheme. 5G on eligible goodybags. Simple, transparent billing. No price rises on rolling goodybags.

3M+
Subscribers
99%
4G
Via O2
5G
Guide →
Guides & Tools

Everything you need to decide with confidence

📶
Coverage & 5G
Who is widest, who is fastest — 2026 verified data.
✈️
Roaming Guide
Free EU roaming — which of 9 networks include it.
📲
eSIM Guide
All networks, all devices, activation walkthrough.
🔄
How to Switch
PAC codes — keep your number in one working day.
📱
SIM Only Plans
Why SIM Only is cheaper and what to check first.
💳
PAYG Guide
No-contract options across all nine networks.
⚖️
Consumer Rights
Price rise rules, Ofcom protections, exit rights.
📣
Complaints Guide
Escalation — Ombudsman, CISAS, Ofcom process.
Safety First

Your security is our firm commitment

🛡️

Wiseclearwise Safety Guarantee

Wiseclearwise will NEVER request your OTP (one-time password), online banking password, full payment card number, PIN, or any account security credentials — on any call, in any email, or anywhere on this website. Any such request is fraudulent. End the call immediately and report it to Action Fraud on 0300 123 2040 or at actionfraud.police.uk. Wiseclearwise's free guidance line is 0808 280 6350.

Wiseclearwise (wiseclearwise.online) is a fully independent consumer information and guidance website. We hold absolutely no affiliation, partnership, commercial agreement, endorsement, or operational connection with O2, Three UK, EE, Vodafone, Tesco Mobile, Sky Mobile, Lebara, iD Mobile, Giffgaff, or any of their parent companies including Virgin Media O2, VodafoneThree, BT Group, Sky UK (Comcast Inc.), Tesco plc, Currys plc, Lebara Group, or Telefónica UK. Wiseclearwise does not sell SIM cards, mobile contracts, or handsets of any kind. We do not access customer accounts, handle billing disputes, process payments, manage upgrades, or provide official technical support for any network. All plan details, pricing, features and promotions change frequently — always verify current information directly on the relevant network's official website before making any purchasing decision. Network names, logos and trademarks referenced on this website are the property of their respective owners and are used solely for the purpose of independent consumer information and identification. Wiseclearwise operates as an independent third-party consumer guidance service under UK consumer information guidelines.

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