SMARTY, the low-cost SIM-only network, is on a mission to make mobile simple and honest.
With SMARTY you get low cost, straight-forward plans and transparent pricing. All come packed with data, unlimited calls and texts, tethering included and no speed restrictions, on a flexible one month plan.
Plus, being powered by Three’s reliable 3G and 4G network, makes SMARTY perfect for browsing, streaming, and staying connected to the things you love.
It’s no wonder SMARTY won Best Value SIM Only at the Uswitch Mobile Awards 2020 and has a strong Trustpilot 4 Star rating.
Great Value
1 month plan, cancel anytime
Unlimited calls and texts
Tethering included
Great Value
1 month plan, cancel anytime
Unlimited calls and texts
Tethering included
Great Value
1 month plan, cancel anytime
Unlimited calls and texts
Tethering included
Great Value
1 month plan, cancel anytime
Unlimited calls and texts
Tethering included
1. Order your SIM card below.
2. When you receive your SIM, put it in your phone.
3. Connect to WiFi and go to smarty.co.uk/activate
4. Follow the instructions to pick your plan and set up your SIM
1 month plans. No contracts, no credit checks and no surprises at the end of the month. Cancel or change plans anytime. Pay in advance and enjoy the flexibility
If you run out of data, add-ons are £1 per GB - the same as it costs on our Data discount plans. Buy them from your dashboard and keep them until you use every MB.
To standard UK landlines and mobiles, and roaming within EU countries. Call and text your friends and family as much as you want. No catch.
Simply text 'PAC' to 65075 to get a code valid for 30 days. We’ll walk you through steps to enter this code to transfer the phone number you want to keep.
If you want a no fuss network that won’t break the bank, SMARTY aims to make things as simple as possible. You’ll enjoy one of the best SIM-only deals available in the UK, with straightforward contracts and zero fancy marketing nonsense.
Stay in touch with friends and family for less with a Smarty sim, speedily scroll through social media, and much more with a flexible one-month data plan deal. And since it’s powered by Three’s 5G network, Smarty coverage won’t stutter when you’re streaming that nail-biting finale on the train.
So, for a low-cost contract that does everything you need it to, check out our available handsets. You can even pick up an upgrade, or a SIM-only deal if you prefer.
Be sure to check out our Advice & Inspiration page if you’re not sure about something. You can learn all about upgrades, handy tips on setting up parental controls, and read some of our personal recommendations.