🛡️ SAFETY: kogywall will NEVER ask for your OTP, banking password, or card number. Any such request is fraud — report to Action Fraud: 0300 123 2040
⚠️ Independent guidance only. kogywall is NOT affiliated with O2, Three, EE, Vodafone, Tesco Mobile, Sky Mobile, Lebara or iD Mobile. Calling 020 3745 0564 reaches our own team — never any network's helpline.
Independence: kogywall is not affiliated with iD Mobile or Currys plc. Calling 020 3745 0564 reaches kogywall's own team — not iD Mobile's customer service.
About iD Mobile
iD Mobile is an MVNO owned by Currys plc — the UK's largest consumer electronics retailer — operating on Three's (VodafoneThree's) network. Launched in May 2015, iD Mobile has grown to approximately 2.2 million UK subscribers. Its core proposition: data rollover on every plan, no CPI or RPI price rises on SIM Only contracts, 50-destination roaming including the USA, Canada and Australia, and uniquely, in-store support available at Currys locations across the UK.
Plans & Contracts
📱 SIM Only
1-month rolling, 12-month and 24-month SIM Only. Data rollover on every plan. No CPI/RPI annual rises on SIM Only. 50-destination roaming (EU + USA, Canada, Australia) on eligible plans (30GB). Bill capping available.
📱 Pay Monthly
Handset contracts (24 months) for iPhone, Samsung and Google Pixel. Bill capping. iD Perks loyalty programme. In-store purchase and support at Currys.
💳 PAYG
1-month rolling SIM as primary no-commitment option — no traditional PAYG top-up product.
📲 eSIM
eSIM supported. Activate via iD Mobile app. iPhone XS+, Samsung Galaxy S20+, Google Pixel 3+.
Coverage & 5G
Three's network — 99% outdoor 4G, access to Three's fastest 5G (~62% UK population). Coverage identical to Three direct.
Roaming
50-destination inclusive roaming on eligible plans — EU/EEA plus USA, Canada, Australia, New Zealand and others. 30GB fair-use cap. More than standard EU-only roaming.
Key Features
🔄
Data Rollover All Plans
Unused monthly data carries to next month on every iD Mobile plan — standard, not optional. Unique among major UK MVNOs.
🚫
No CPI/RPI Rises
SIM Only plans explicitly exempt from CPI or RPI annual rises. Your price at sign-up stays fixed.
🌍
50-Destination Roaming
EU/EEA plus USA, Canada, Australia, New Zealand. 30GB cap on eligible plans. Broader than EU-only roaming.
🏪
Currys Store Support
Buy and get in-person help at Currys stores UK-wide. Useful for customers who prefer face-to-face support.
Customer Feedback (Compiled)
PH
Paul H.
Leeds
★★★★½
"Data rollover means I never worry about going over. Bought a bigger plan than I need and the surplus just banks. My Currys rep was helpful in-store when switching over."
⚠️ Illustrative feedback compiled from publicly available review data. Not verified individual testimonials. For official reviews see Trustpilot, Which?, Ofcom.
AL
Amy L.
Bristol
★★★★☆
"No price rise in two years. Exactly what I signed up for, every month. Simple and reliable."
⚠️ Illustrative feedback compiled from publicly available review data. Not verified individual testimonials. For official reviews see Trustpilot, Which?, Ofcom.
NK
Niall K.
Belfast
★★★½☆
"Good value but Three's coverage outside cities can be patchy. Check your postcode carefully. In Belfast centre the 5G is excellent though."
⚠️ Illustrative feedback compiled from publicly available review data. Not verified individual testimonials. For official reviews see Trustpilot, Which?, Ofcom.
CW
Claire W.
Manchester
★★★★½
"Roaming in the USA worked perfectly — same UK number, same plan, 30GB included. Much easier than buying a local SIM."
⚠️ Illustrative feedback compiled from publicly available review data. Not verified individual testimonials. For official reviews see Trustpilot, Which?, Ofcom.
Strengths & Weaknesses
✓ Strengths
Data rollover all plans — unused data not lost
No CPI/RPI rises on SIM Only
50-destination roaming including USA/Canada/Australia
In-store support at Currys nationwide
Three's fastest 5G on eligible plans
✕ Weaknesses
Three's 5G coverage less wide than EE (62% vs 87%)
No traditional PAYG product
Smaller brand — less widely known
eSIM less comprehensive than EE or O2 direct
Best suited to…
Customers who want data rollover as standard
SIM Only customers wanting price certainty — no annual rises
Travellers to USA, Canada, Australia wanting 50-dest roaming
Customers who value Currys in-store support
Common Questions
Does iD Mobile have data rollover?
+
Yes — all iD Mobile plans include automatic data rollover. Unused data transfers to the following month automatically.
Does iD Mobile raise prices?
+
SIM Only plans are explicitly exempt from CPI or RPI annual rises. Your monthly price at sign-up is fixed for the contract duration.
What destinations does iD roaming include?
+
50 destinations: all EU/EEA plus USA, Canada, Australia, New Zealand and others. 30GB fair-use cap on eligible plans.
What network does iD Mobile use?
+
Three's network (VodafoneThree) — 99% outdoor 4G and Three's fastest 5G (~62% UK population coverage).
Questions about iD Mobile? kogywall compares all 8 major UK networks independently — free, no affiliation.
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.