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Developer options can cause a red border on the screen, errors when connecting to computers, or other problems. Use these steps to turn off developer options on the Sony Xperia Z1s.

 

 

Turn off Developer Options

  1. From any Home screen, tap the Applications icon.
  2. Scroll to and tap Settings.
  3. Scroll down to SYSTEM, and then tap Developer options.
  4. Tap the Developer options switch to turn it off.

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