Smarty is a SIM-only mobile network running on Three’s UK network, with 99% 4G/5G coverage and no annual contracts. Plans roll monthly, from light 5GB bundles right up to unlimited data, making Smarty a great fit for switchers who want flexibility, students on a budget, and anyone fed up with overpaying on a traditional contract. EU roaming is included as standard, with no credit check to join.
Get from £12 Smarty’s 140GB SIM-only mobile plan with this flash deal, giving you a big data bundle on Three’s 4G/5G network for less. There’s no code to enter – just click through and the saving applies automatically at checkout. It’s a great way to grab generous data on a flexible, no-contract SIM without paying full price.
from £12 the 140GB plan means your first month’s bill is £12 lower, so you get a big data bundle for noticeably less without doing anything extra.
Anyone can use it – new and existing customers looking to switch to Smarty’s 140GB plan.
No, this is a flash deal – the from £12 is applied automatically when you use our link, with no code required.
No, Smarty doesn’t run credit checks on any of its SIM-only plans, including this 140GB deal.
No, it’s a rolling 30-day plan, so you can upgrade, downgrade or cancel whenever you like.
There’s no set end date on this offer, but flash deals can be withdrawn at short notice, so it’s worth using it sooner rather than later.
Smarty doesn’t run a dedicated NHS scheme, so NHS staff and blue light card holders can simply use this flash deal like any other customer. If you’re after a specific NHS angle, check our full Smarty discount codes page for more options.
This flash deal isn’t a student-specific offer, but full-time students can still verify with Student Beans separately for their own discount. There’s no loyalty scheme needed here – just click through to apply the from £12 on the 140GB plan.
