HOW TO CHECK ITUNES CARD WITHOUT REDEEMING IT
If you want to check an iTunes card and verify if it is still working then you have to follow the under-listed steps below;
COMPLETELY LOGOUT OF iTunes AND MAKE SURE THAT THE "save password" OPTION IS UNCHECKED BEFORE YOU LOG OUT.
TRY TO REDEEM THE CODE WITHOUT LOGGING IN FIRST.
IF iTunes card IS GOOD, iTunes WILL DEMAND FOR YOUR PASSWORD ... at this point, you need to CANCEL in order to keep the iTunes card balance intact.
STILL WITHOUT LOGGING IN FIRST, TRY TO REDEEM THE iTunes card code, and if the code is invalid... you would get an alert telling you so.
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