ContributionsMost RecentMost LikesSolutionsRe: My billing cycle was one day. WHAT?!? I had this same thing happen when I first signed up for T-Mobile. My first billing cycle was 4 days, and it actually included the first month of service along with the prorated amount for the 4 days. Most carriers bill in advance for the next month's service as opposed to billing in arrears, so this is not uncommon.
