Top Up Vouchers can be bought in any Three store and any retail store displaying the Three logo.
Once you have the voucher:
1. Log into the My3 Account app.
2. From the My3 Dashboard, select the TOP UP tab
3. Select Voucher Top Up
4. Choose whether you would like to top up your own account or a friend's account.
5. Enter the voucher code in the space provided.
6. Hit Top up now to complete the transaction.