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Tip: If you need help with any of these steps, visit our Device tutorials page, select your device, and use the search bar to find what you're searching for.

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If the phone still has no signal bars or shows a "no service" error after you've worked through these troubleshooting steps, contact us from a device that does have service, or visit a T-Mobile retail store.

Restart your device. If that doesn't help, follow the troubleshooting steps on this page to take care of any other potential problems. If you're still experiencing issues, contact us from a device that has service if you have one, or visit a T-Mobile retail store to report the problem.