since yesterday every time I open Instgram or Twitter, the "Simulate colour space" dev setting gets modified to monochromacy. I already used logcat to check for source:

06-23 10:50:35.893  1669  1669 V SettingsProvider: Notifying for 0: content://settings/secure/accessibility_display_daltonizer

Does this mean it comes from a system application? Although my smartphone is rooted, the change comes from SettingsProvider, so no shell command but a instruction from a system app?

Or maybe someone knows how to disable the change of this specific setting?

Thanks in advance


  • Have you checked which process/app the process-id 1669 belongs to? – Robert Jun 23 '20 at 8:59
  • Got it, it's system-server from user system – GeMine Jun 23 '20 at 9:42

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