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Apple Watch Series 3 won't update with WatchOS 7.6. Watch has 1.3gb of available space, I've unpaired 3 times, set up as new and then restarted watch again. Still won't install the OS update

Watch shows as having 1.3gb of available space, I've unpaired 3 times, set the watch up as new and then restarted watch again.


Each time I get the 'Cannot Install Update' 'Unpair watch and ......'


Still won't install the OS update


I've tried installing the update directly from the watch, still no luck


Anyone else have another idea?

Apple Watch

Posted on Jul 21, 2021 6:22 PM

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Question marked as Top-ranking reply

Posted on Jul 21, 2021 6:40 PM

Hope this is can help;

  • You can try to delete watch apps on the iPhone
  • Check date and time is it correct
  • Reset network setting
  • Download watch apps again
  • Restore Apple Watch
  • Ensure the connection was stable
  • Try to pairing again


If still doesn’t fix, call the apple support

7 replies

Aug 4, 2021 2:24 PM in response to Mays91

I decided to give this one last try yesterday before caving and going to the apple store and it worked. I reset the watch to defaults, then deleted every single app directly from the watch that had and 'x' on it after holding down on the home screen like you do on your phone. Then turned back ground refresh and a bunch of other random things off in the phone watch app, then restarted. Ended up with 2.4gb of available space which let the watch update.


Huge PITA to then find the app store to add the apps back that I deleted cause I actually use them.


Lets hope there a no new updates for a while because who needs to do this everytime, when the update is supposedly only like 600mb!

Apple Watch Series 3 won't update with WatchOS 7.6. Watch has 1.3gb of available space, I've unpaired 3 times, set up as new and then restarted watch again. Still won't install the OS update

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