Top – Up Sainsbury’s physical Gift Cards can have additional funds loaded up to the value of £750 at checkouts instore Balance Check The best way to check your balance would be to register your card as detailed above However, there are some option options available to you If your physical Gift Card has a QR code on the back of the card, you can scan this QR code with aExplore Three Mobile Phones Broadband Tablets Tablets Topup SIM Only deals SIM Only deals Pay AsThere are 3 main SMS services that you can use Balance, PIN & Top up SMS services aren't available across all our programmes and you will need to verify your mobile number before using Once set up, make sure you save to your phone contacts so you have it to hand when you need it Then simply 2 Sure top up check balance
