T-Mobile needs to do a better job of warning customers about upgrades.

drnewcomb2

    There have been quite a few complaints from customers whose phones stopped working after the recent NYC band refarming.  Seems that they missed the memo. According to this document, a lot more cities are scheduled for a similar upgrade.  It seems to me that it would not be all that difficult to write a program that would check phones for VoLTE and/or AWS UMTS fallback capability during calls. If a phone says it doesn't grok VoLTE and doesn't have AWS UMTS (U1900), then the customer can be sent a text warning of upcoming changes. A little advance notice could avoid a lot of hate and discontent.

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