For your first topup you will need to topup online or buy a topup voucher in store If you’ve used your credit or debit card before but you’ve changed your address since the last time you used it, when you call 4444 or 0345 940 0000 to topup you’ll need to enter the full details again so you can then update your address If you’re only entering the last 4 digits, please try At the top of the iTunes window, click Store The balance of your account will appear below your name If you can't see an amount, this means you have no balance left in your account If your Apple ID balance appears to be incorrect If you think your Apple ID balance is incorrect, sign out of the App Store or iTunes Store Then sign in and check the balance again If you stillYou can check your bundle balance or find out your free credit anniversary date by calling 2 please call 2 free from your Tesco Mobile device to opt in to free topup bundles If you're on any other pay as you go tariff, please call 2 free from