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Unintork posted an update in the group
Dealing with wireless carrier billing changes and plan adjustments 1 week, 6 days ago I had a similar issue when my data plan got auto-upgraded during a promotional period. The online chat worked faster than calling, and I kept a screenshot of my original plan terms. Having documentation ready made the conversation much shorter than I expected.
Many people face confusing billing adjustments after promotional periods end or when carriers update their pricing structures. Some customers try calling the TMobile customer service number to resolve these issues, but wait times vary significantly depending on the time of day. A more practical approach is documenting your original plan details beforehand, using the carrier’s app or website to submit inquiries, and checking whether local stores can help with account changes. Having your account number and billing cycle dates ready can also reduce the time needed to get your question answered.