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kogywall
Independent Mobile Network Guidance · Est. 2024 · Updated June 2026
8 UK Networks Independently Assessed O2 · Three · Sky Mobile — Full Deep Guides Not affiliated with any network Call 020 3745 0564 — Our Own Team
About kogywall

Eight networks.
One clear, independent guide.

kogywall provides comprehensive, independent guidance on every major UK mobile network — including full history, features, functions, service quality analysis, and switching guidance for O2, Three, Sky Mobile and more. We hold no commercial ties to any operator.

⚠️ Independence declaration: kogywall is not affiliated with, endorsed by, or operated by O2, Three, EE, Vodafone, Tesco Mobile, Sky Mobile, Lebara, iD Mobile, or any UK mobile network operator. Calling 020 3745 0564 reaches kogywall's own independent team — never any network's customer service or helpline. For official account support, contact your network directly.
Compare All 8 Networks 📞 020 3745 0564
Free guidance No affiliation No sales pressure Safety guaranteed
All Eight Networks
O2
MNO · Virgin Media O2
4.4
Three
MNO · VodafoneThree
4.5
EE
MNO · BT Group
4.6
Vodafone
MNO · VodafoneThree
4.1
Tesco Mobile
MVNO · Tesco / VMO2
4.7
Sky Mobile
MVNO · Sky UK (Comcast)
4.2
Lebara
MVNO · Lebara Group
4.3
iD Mobile
MVNO · Currys plc
4.3
Main Focus Networks

O2, Three & Sky Mobile — full deep guides

History, features, functions, service quality, plan analysis and AI-compiled customer feedback. More detail than anywhere else online.

Main Focus
O2
The reliable traveller's choice
Free EU roaming on every plan — no tier checking. Data Rollover, O2 Priority, and satellite rural coverage. Virgin Media O2 joint venture with 23M subscribers.
~23M
Subscribers
99%
4G Cover
~70%
5G Cover
Key highlights
Free EU roaming — all plans, 25GB, 48 destinations
Data Rollover every month — never lose unused data
O2 Priority: events, freebies, 48hr early tickets
Satellite coverage via Starlink (2026, UK first)
Transparent Refresh contract model
★★★★☆ 4.4/5
Full Guide →
Main Focus
Three
UK's fastest 5G specialist
140MHz of spectrum — more than any rival. Opensignal Jan 2026 #1 at ~187Mbps. Go Roam 160+ worldwide. VodafoneThree merger £11bn investment.
27M+
Combined
140MHz
5G Spectrum
~187Mbps
5G Median
Key highlights
Fastest 5G in UK — 140MHz, ~187Mbps (Opensignal Jan 2026)
Go Roam: 160+ destinations (Complete), 71 countries PAYG
30-day rolling plans exempt from annual price rises
True unlimited data — pioneer since 2010
PAYG eSIM — unique in UK market
★★★★½ 4.5/5
Full Guide →
Main Focus
Sky Mobile
The flexible family network
Piggybank stores unused data for up to 3 years. Mix plans flex monthly. Swap12 upgrades every year. Best value combined with Sky TV or Broadband.
3yrs
Piggybank
12mo
Swap Cycle
99%
4G via O2
Key highlights
Piggybank data storage up to 3 years — unique in UK
Mix plans: change data allowance every month, no penalty
Swap12: upgrade handset every 12 months
Sky TV + broadband bundle discounts available
RPI rise with 30-day penalty-free exit right
★★★★☆ 4.2/5
Full Guide →
All Networks

Every major UK network — independently assessed

From O2's EU roaming to Lebara's international calls — every network's strengths and weaknesses documented.

O2
MNO Main Focus Virgin Media O2
★★★★☆
4.4
/5 rating
Only major MNO with free EU roaming on all plans. Data Rollover, O2 Priority rewards, satellite rural coverage.
~23M
Subscribers
99%
4G Cover
~70%
5G Cover
Full guide →
Three
MNO Main Focus VodafoneThree
★★★★½
4.5
/5 rating
UK's fastest 5G (140MHz). Original unlimited specialist. Go Roam 160+ worldwide. Merged with Vodafone 2025.
27M+
Subscribers
99%
4G Cover
~62%
5G Cover
Full guide →
EE
MNO BT Group
★★★★½
4.6
/5 rating
Widest 5G in UK — 87%+ population. Fastest network 10+ years. Inclusive Extras: Netflix, Apple Music, Xbox.
~21M
Subscribers
99%
4G Cover
87%+
5G Cover
Full guide →
Vodafone
MNO VodafoneThree
★★★★☆
4.1
/5 rating
Global Roam 84 countries — widest worldwide roaming. Entertainment perks. UK's best business plans.
27M+
Subscribers
99%
4G Cover
Growing
5G Cover
Full guide →
Tesco Mobile
MVNO Tesco / VMO2
★★★★½
4.7
/5 rating
#1 Ofcom satisfaction. Clubcard points every bill. No annual rises on Clubcard plans. Runs on O2 network.
5.7M
Subscribers
99%
4G Cover
Via O2
5G Cover
Full guide →
Sky Mobile
MVNO Main Focus Sky UK (Comcast)
★★★★☆
4.2
/5 rating
Piggybank: save data for 3 years. Monthly plan flexibility. Swap12 upgrades. Best for Sky TV customers.
N/A
Subscribers
99%
4G Cover
Via O2
5G Cover
Full guide →
Lebara
MVNO Lebara Group
★★★★☆
4.3
/5 rating
Free calls to 50+ countries on every plan. No price rises. EU + India roaming. Runs on Vodafone.
5M+
Subscribers
99%
4G Cover
Via Vodafone
5G Cover
Full guide →
iD Mobile
MVNO Currys plc
★★★★☆
4.3
/5 rating
Data rollover all plans. No CPI rises on SIM Only. 50-destination roaming inc. USA, Canada, Australia.
2.2M
Subscribers
99%
4G Cover
Via Three
5G Cover
Full guide →
Information Guides

Everything you need to decide with confidence

📶
Coverage & 5G
Who has widest, who is fastest — 2026 independent data.
✈️
Roaming Guide
Free EU roaming across all 8 networks compared.
📲
eSIM Guide
All networks, all compatible devices, activation steps.
🔄
How to Switch
PAC codes, number porting — done in one working day.
📱
SIM Only Plans
Why SIM Only is cheaper and what to check first.
💳
PAYG Guide
No-contract options across all eight networks.
⚖️
Consumer Rights
Ofcom rules, price rise protections, exit rights.
📣
Complaints Guide
How to escalate — Ombudsman, CISAS, Ofcom.
Safety & Transparency

Your safety is our first obligation

🛡️

kogywall Safety Guarantee

kogywall will NEVER request your OTP, online banking password, full payment card number, or any account security credentials — on any call, by email, or on this website. Any such request is fraudulent. End the call immediately and report to Action Fraud: 0300 123 2040 or actionfraud.police.uk

kogywall (kogywall.online) is a fully independent information and guidance website. We hold no affiliation, partnership, endorsement, or commercial relationship with O2, Three, EE, Vodafone, Tesco Mobile, Sky Mobile, Lebara, iD Mobile, or any of their parent companies including Virgin Media O2, VodafoneThree, BT Group, Sky UK (Comcast), Tesco plc, Currys plc, or Lebara Group. We do not sell SIM cards, mobile contracts, or devices. We do not access customer accounts, process payments, manage billing, or provide official technical support of any kind. All plan details, pricing and network features change frequently — always verify current information directly with the relevant network before making any decision. Network names, logos and trademarks are the property of their respective owners and are referenced here solely for the purpose of independent consumer information. kogywall operates under UK consumer information guidelines as an independent third-party guidance service only.

Find the right network — independent guidance, free

Our team compares all eight major UK mobile networks against your specific postcode, usage and budget. No sales pressure, no affiliation with any operator.

Compare All 8 Networks 📞 020 3745 0564
📞 Free guidance: 020 3745 0564 — kogywall, independent team