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Apple Watch screen flashing in direct sunlight.

I just recently bought an Apple Watch series 5 and when the watch face is exposed to direct sunlight the screen starts flashing on and off. I have the always on mode turned on and the watch will auto-dim. Not sure why this is happening and would like to fix it if possible. Any thoughts?

Apple Watch

Posted on Oct 2, 2019 7:42 AM

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Posted on Oct 2, 2019 3:34 PM

Hi Chips,


I realise it is not ideal but is it possible for you to upload a video to iCloud, Google Drive, Dropbox, YouTube, etc. and provide a link to show what the issue is?


Additionally, just a few related questions:


  • have you got a complication running full screen at the time this happens or just a watch face
  • has your watch been in direct sunlight for long and does it feel hot to the touch
  • have you updated to the most recent WatchOS release / are you running a WatchOS beta
  • what is your battery charge (approximately) at the time this is happening?
  • what is the brightness setting on your Always On Display (default, low, high)


Unfortunately the possible causes are still fairly broad at this point - it is entirely possible you are having issues with the ambient light sensor, or it could be related to operating temperature, etc. I would also suggest biting the bullet and doing a pair and unpair and a clean set up of your watch just to eliminate setup/connectivity as potential factors.

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Apple Watch screen flashing in direct sunlight.

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