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iPhone True Tone Not Working

True Tone automatically adjusts display color temperature. If it's not working after a screen replacement or randomly stopped, here's how to fix it.

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🔍 Common Causes

  • Screen replacement: True Tone data stored on original screen
  • Software glitch: Try restarting or resetting settings
  • Ambient light sensor: May be blocked or damaged

✅ Fixes

  • After screen repair: True Tone data must be transferred using programmer tool
  • Settings: Display & Brightness → True Tone toggle
  • Reset: Settings → General → Reset → Reset All Settings

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