Diagnostic Metrics

Diagnostic Metrics are information the T-Mobile app collects from your device to help identify problems so it can run more smoothly. Learn what is collected and why.



Types of information collected

The Diagnostic Metrics may collect the following:


  • Device signal strength
  • System crashes
  • Dropped calls records
  • Battery performance
  • Application usage


Customer privacy is very important to us. T-Mobile metrics cannot collect private or personal information, such as:


  • No content of text messages
  • No content of email or voice messages
  • No content from customers’ Internet activity
  • No content of online searches



Uses of the metrics data

T-Mobile only uses the collected metrics to:


  • Identify apps that are using too much memory or processing power, which could drain your battery.
  • Return your device to peak performance.
  • Recognize when your device has been using a weak network signal.
  • Note: Information collected is not used for the marketing of third-party products or services, without explicit customer consent. For more information, please review your applicable Privacy Policy:



Turning metrics collection on or off

You can turn metrics collection on or off from the T-Mobile app.


  1. Open the T-Mobile app. (If you don't have it, you can download it.)
  2. Tap More.
  3. Tap App settings.
  4. Tap Diagnostics.
  5. Tap the Agree box to check or uncheck.
  6. Tap Next.
  7. Tap Accept or Decline for Issue Assist.
  8. Tap Accept or Decline for Personalized offers.