Learn how to opt in / opt out of System Manager (Carrier IQ) on the Sony Xperia Z.  System Manager makes it easier for T-Mobile to provide support for your device.


  1. From the Home screen, tap the Applications icon.
  2. Scroll to and tap Settings.
  3. Scroll to 'PERSONAL,' and then tap Backup & reset.
  4. Tap Collect Diagnostics.
  5. Select or clear the Allow Diagnostics check box to opt in or opt out.

Was this helpful?