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⚠️ Fully independent guidance only. Wiseclearwise is NOT affiliated with O2, Three, EE, Vodafone, Sky Mobile, Tesco Mobile, Lebara, iD Mobile, Giffgaff or any UK mobile network. Calls to 0808 280 6350 reach our own team — never any network's helpline.
Independence notice: Wiseclearwise is NOT affiliated with iD Mobile or Currys plc. Calling 0808 280 6350 reaches Wiseclearwise's free independent guidance line — never iD Mobile's customer service or helpline. For official account support, contact iD Mobile directly.
About iD Mobile
iD Mobile is an MVNO owned by Currys plc (UK's largest consumer electronics retailer) operating on Three's (VodafoneThree's) network. Launched May 2015, grown to approximately 2.2 million subscribers. Core proposition: data rollover on every plan, no CPI/RPI rises on SIM Only, 50-destination roaming including USA, Canada and Australia, plus in-store support 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 rises on SIM Only. 50-destination roaming (EU + USA, Canada, Australia, others — 30GB cap) on eligible plans. Bill capping available.
📱 Pay Monthly
24-month handset contracts for iPhone, Samsung and Google Pixel. Bill capping. iD Perks loyalty programme. In-store purchase and support at Currys nationwide.
💳 PAYG
1-month rolling SIM as primary no-commitment option — no traditional PAYG top-up product.
📲 eSIM
eSIM via iD Mobile app. iPhone XS+, Samsung Galaxy S20+, Google Pixel 3+.
50 destinations on eligible plans — EU/EEA plus USA, Canada, Australia, New Zealand. 30GB cap. Broader than EU-only roaming.
Key Features
🔄
Data Rollover All Plans
Unused monthly data carries forward automatically on every iD Mobile plan — standard on all tiers, not an add-on.
🚫
No CPI/RPI Rises
SIM Only plans explicitly exempt from CPI or RPI annual rises. Your price at sign-up is your price throughout.
🌍
50-Destination Roaming
EU/EEA plus USA, Canada, Australia, New Zealand and others. 30GB cap on eligible plans.
🏪
Currys Store Support
Buy and get in-person help at Currys stores UK-wide — useful for customers who prefer face-to-face assistance.
Customer Feedback (Compiled)
PH
Paul H.
Leeds
★★★★½
"Data rollover means I never stress about going over. Bought a bigger plan than I need and the surplus just banks. Currys store was helpful when I switched over."
⚠️ Illustrative summaries compiled from public review data (Trustpilot, Which?, Ofcom, Uswitch). Not verified individual testimonials.
AL
Amy L.
Bristol
★★★★☆
"No price rise in two years. Exactly what I signed up for, every month. Simple and trustworthy."
⚠️ Illustrative summaries compiled from public review data (Trustpilot, Which?, Ofcom, Uswitch). Not verified individual testimonials.
NK
Niall K.
Belfast
★★★½☆
"Great value but Three's rural coverage can be patchy. Check your postcode carefully before switching from O2 or EE."
⚠️ Illustrative summaries compiled from public review data (Trustpilot, Which?, Ofcom, Uswitch). Not verified individual testimonials.
CW
Claire W.
Manchester
★★★★½
"50-destination roaming worked perfectly in the USA — same number, same plan, 30GB included. Much simpler than buying a local SIM."
⚠️ Illustrative summaries compiled from public review data (Trustpilot, Which?, Ofcom, Uswitch). Not verified individual testimonials.
Strengths & Weaknesses
✓ Strengths
Data rollover all plans — no lost data
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 5G coverage less wide than EE (62% vs 87%+)
No traditional PAYG product
eSIM less comprehensive than EE or O2 direct
Best suited to…
Customers wanting data rollover as standard
SIM Only customers wanting price certainty
Travellers to USA, Canada, Australia
Common Questions
Does iD Mobile have data rollover?
+
Yes — all plans include automatic data rollover. Unused data transfers to the following month.
Does iD Mobile raise prices?
+
SIM Only plans are explicitly exempt from CPI or RPI annual rises.
What destinations for roaming?
+
50 destinations: EU/EEA plus USA, Canada, Australia, New Zealand. 30GB cap on eligible plans.
Questions about iD Mobile? Our free independent line compares all 9 UK networks — no affiliation, no sales pressure.
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.