The Coverage Checker
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Smarty Mobile Coverage Checker

Introduction:

SMARTY is a UK SIM-only provider powered by Three, focused on flexible 30-day plans, big-data value, and simple terms. It includes 5G on compatible devices, Wi‑Fi Calling, unlimited UK calls/texts, and EU roaming with a 12GB fair-use cap—ideal for UK businesses that want predictable costs without long contracts.

SMARTY highlights over 1 million customers and multiple Which?/Uswitch awards, underscoring its value-led proposition for SMEs and distributed teams.

Service Distinction:

  • Flexible, rolling plans with no annual price rises and no credit checks, so you can change or cancel any time and stay in control of spend.

  • 5G/4G data plus unlimited UK calls and texts across plans; Wi‑Fi Calling is included to improve indoor voice reliability on compatible devices.

  • EU roaming included on all plans with a 12GB fair-use limit, keeping short business trips simple and predictable.

  • Group Plans save 10% on every SIM, making multi-line estates cheaper to run across teams and devices.

  • Coverage you can trust: SMARTY cites 99% UK outdoor population coverage on 4G, with an additional reference to 99.5% (outdoor) on its coverage page.

Coverage Analysis:

  • CoverageChecker + SMARTY’s tools: Benchmark predicted 5G/4G availability at your addresses, compare against other UK networks, then cross‑check specific postcodes on SMARTY’s official coverage map.

  • Indoor vs outdoor expectations: Use Wi‑Fi Calling to bolster indoor voice quality in offices, retail, and warehouses where construction can impact signal.

  • Network evolution: SMARTY notes improvements from the Vodafone–Three merger will start rolling out from August 2025, automatically connecting customers to the best available coverage as networks combine (timeline varies by area).

  • 3G switch‑off: SMARTY is switching off 3G nationwide to focus on 4G/5G; remaining areas are targeted to complete by November 2025—plan VoLTE and Wi‑Fi Calling for dependable voice.

Unique Offerings:

  • Data Discount plans: Get money back for unused data—useful for light or variable-usage roles.

  • Data‑only SIMs: Add connectivity for routers, tablets, and IoT with scalable data-only bundles.

  • Group Plans: Save 10% on every SIM in your group to lower fleet TCO across roles and devices.

  • No annual price rises on rolling plans: Maintain predictable costs across your estate.

User Engagement:

  • Check your key sites: Run CoverageChecker for HQs, branches, warehouses, home‑worker postcodes, and critical field locations; then validate postcodes on SMARTY’s coverage checker.

  • Compare plans and benefits: Align predicted coverage with plan sizes, the 12GB EU fair‑use limit, Group Plan savings, and any data-only requirements by device.

  • Optimise rollout: Prioritise 5G devices where throughput matters, enable Wi‑Fi Calling for buildings with challenging indoor signal, and deploy data-only SIMs for routers and POS.

Link to coverage checker link on partner website:

Use SMARTY’s official coverage checker to verify local signal: https://smarty.co.uk/coverage-checker

Make confident, data‑led decisions on your business mobile estate. Use CoverageChecker to test SMARTY’s predicted coverage at your locations, compare it with other UK networks, and choose plans that balance Three‑backed 5G performance, Wi‑Fi Calling, EU roaming, and Group Plan savings. Start your SMARTY coverage check now.

News and Updates: SMARTY highlights

  • Network merger benefits: SMARTY states customers will benefit from Vodafone–Three network integration, with access to the best available coverage starting from August 2025 as the rollout progresses by area.

  • 3G switch‑off timeline: SMARTY is winding down 3G across the UK and targets switch‑off completion in remaining areas by November 2025; plan for 4G/5G-first deployments.

  • Current promos: Double‑data and extra‑data offers are live on selected tiers (e.g., 80GB for £10); verify live pricing and T&Cs before purchase.

  • Awards and momentum: SMARTY showcases multiple Which?/Uswitch accolades and “Join over 1 million customers,” reflecting strong value positioning—helpful for procurement assurance.

  • EU roaming policy: All plans include EU roaming with a 12GB fair‑use cap; calls and texts are unlimited while roaming in the EU.