Prepaid vouchers can only be redeemed against a plan that costs the same amount as the value of the voucher. You can't use a prepaid voucher to part pay for a plan either.
We don't want your voucher going to waste, so your best bet is to activate your SIM and then change your plan in My Account
© 2026 Vodafone Limited, trading as VOXI is authorised and regulated by the Financial Conduct Authority for consumer credit (Financial Services Registry No.712210). Registered in England, Registered No.1471587 Registered office: Vodafone House, The Connection, Newbury, Berkshire, RG14 2FN. Vodafone Limited, trading as VOXI acts as a credit broker and not a lender, exclusively for PayPal Credit. PayPal Credit and PayPal Pay in 3 are trading names of PayPal UK Ltd, 5 Fleet Place, London, United Kingdom, EC4M 7RD. Terms and conditions apply. Credit subject to status, UK residents only, PayPal Pay in 3 is not regulated by the Financial Conduct Authority. Pay in 3 eligibility is subject to status and approval. 18+. UK residents only. Pay in 3 is a form of credit. Check if affordable and how you will repay. May make other borrowing more difficult or expensive. See product terms for more details.
VOXI has been recognised as a Which? Recommended Provider for Mobile Networks (April 2022, April 2023 and April 2024). Which? is an independent consumer body and makes recommendations based exclusively on test and survey results. For more information, see which.co.uk/best-mobile-networks
© 2026 You cannot partially return an order; if you purchase both SIM and handset together and wish to return within 14 day cooling off period, you must return both. Eligibility, terms & conditions apply: voxi.co.uk/terms.