I just experienced the same thing, for the second time. first time it happened i didn’t think much about it, but this time it’s too obvious. just checked the amount yesterday to be $15, today without activating any plan or roaming overseas, it’s down to $0. i need a good explanation for this from Starhub, will be pm-ing them.
if any of you guys receive a satisfactory/unsatisfactory response from them, could you post the replies here please? would help others out here. thanks.