Smarty referral code
Mobile Networks
Join SMARTY via this link, stay for three months, and both you and the referrer receive a £20 voucher (£40 during the current Double Rewards promotion).
SMARTY is a UK SIM-only mobile network on the Three network with monthly contract-free plans. New customers using a refer-a-friend link receive a £20 voucher each (PayPal cash, Amazon, John Lewis or Uber) after staying for three months; under the current Double Rewards promo the value doubles to £40 each.
How the Smarty code works
- Tap 'Join SMARTY' below to use the HonestCodes referral
- Pick a SIM-only plan (Double Rewards needs plans £15+/month)
- Activate your SIM and stay on the plan for three months
- Choose your reward (PayPal cash, Amazon, John Lewis or Uber voucher) within 90 days
Who's eligible
New SMARTY UK customers who activate a SIM and stay for three full months. Rewards are issued via PayPal cash or vouchers (Amazon, John Lewis or Uber).
SMARTY is a SIM-only mobile network owned by Three UK with no annual contract. Use the HonestCodes link to choose a plan and stay on it for three months — both parties receive a £20 voucher (PayPal, Amazon, John Lewis or Uber). The current Double Rewards promo doubles the reward to £40 each when the new customer chooses a plan of £15/month or more.
Frequently asked questions
- Which network does SMARTY use?
- SMARTY is owned by Three UK and uses the Three network for coverage and speeds.
- When does the Double Rewards promotion end?
- The current Double Rewards offer is active through 12 February 2026 and may be renewed by SMARTY — confirm the live offer on smarty.co.uk before signing up.
