Years-Long Unresolved Line Instability Traced to Carrier App Bug
A T-Mobile customer describes eight years of unexplained line disruptions eventually traced to a bug in the carrier's app that prevented proper digital SIM provisioning, which was never fixed despite rising prices. Repeated support interactions failed to resolve or even acknowledge the underlying technical issue until the customer decided to leave.
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Problem descriptions, scores, analysis, and solution blueprints may be updated as new community data becomes available.