I've lost my T-Mobile phone, and I want to cancel my service to prevent unauthorized use. What's the procedure for doing this?

Follow these steps to cancel T-Mobile service after losing your phone to prevent unauthorized use:

• Before canceling T-Mobile, get a backup phone for communication.

• Your lost or stolen phone's data must be backed up. Contacts, photos, messages, and other data should be saved. Use cloud backup services or connect your phone to a computer for local backup.

• Unlink your credit or debit cards from T-Mobile to avoid unauthorized charges. This can safeguard your financial data.

• Log into My.T-Mobile.com or call T-Mobile Customer Care to cancel service and report a lost or stolen phone. T-Mobile Customer Care can be reached at 1-800-937-8997 from any device. You may need to verify your account and identity during the call.

• Report your lost or stolen phone to T-Mobile. They will assist you and suspend your service to prevent misuse. Provide account and lost device information.

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