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Watch series 3 update to 8.7.1 bricked my watch

My watch stuck in the state of trying to update to 8.7.1.

I have watch series 3 WiFi 8GB 38mm on watchOS 6.3. It was paired with iPhone 7 on iOS 14.4.

After I updated iPhone to the latest iOS version 15.7 it refused to work with the watch and requested me to update the watch to latest watchOS. Also the watch began to restart itself every few minutes when simply being on a charger which didn't happen before.

So I started the update process and during downloading the watch kept rebooting itself (cause it's on a charger and paired to iOS 15+), after somehow passing the downloading phase it came to prepare phase and still continued to reboot itself indefinitely (all I see on the display is the same picture or apple logo during reboot).During all night it didn't managed to finish preparation and because I needed to use a phone I cancelled the update and unpaired the watch.

I tried again and again, I tried all the recommendations - official Apple ones, from the internet, from youtube etc. Nothing helped me so far. I'm trying multiple times every day since 3rd of October.

Here is what I can tell about what I've tried and what I've noticed (further the term "paired" for the context of iOS 15+ means not fully completed state of paired watch but only state right after the beginning of pairing when iPhone did connection with the watch):

  • watch can pair with iOS 14.4 without any problems because I can skip the update and just pair it
  • I can't update watch with iOS 14.4, it asks me to update iOS first.
  • tried iPhone 7 iOS 15.7, iPhone 11 Pro iOS 16.0.3, 16.1 (I paired watch when iPhone was on 14.4 and tried update - no success, updated iPhone to 16.0.3 - no success, updated to 16.1 - no success), iPhone 13 Pro iOS 15.6, 15.7.1, 16.1 - no success
  • tried multiple full resets of the watch even 2-3 times in a row between update trials
  • tried removing the watch from iCloud, removing backups from Watch app
  • tried removing and reinstalling the Watch app from iPhone
  • tried on and off the charger
  • tried hard reset of iPhone and watch
  • tried different Apple IDs, different timezones, locales. Physically I'm in Tallinn (Estonia)
  • tried different WiFi locations (carriers), 2.4 GHz and 5 GHz
  • tried update from the watch itself when it's paired to iOS 14.4 - no success - it says that it can't find the update. Also tried when it was still paired to iPhone that was recently updated to the latest iOS version 16.0.3 and the update process passed download stage but after self rebooting it started download again, and it continued to do so indefinitely, free space was about 2.0-2.1 GB
  • tried to switch off auto-locking of the screen on iPhone and leaving with fully charged watch both not on the charger for the whole night - in the morning both were not discharged and update still was "preparing"
  • tried resetting iPhone to factory settings multiple times
  • the update file size is 1.3 GB. Free space after download is about 2.0-2.1 GB. Once it was 1.9 GB and I got a message that it requires at least 2 GB. This info I got from the few attempts to update directly from the watch, I checked the free space on a device.
  • noticed that the problem with self rebooting occurs only when watch is paired to iOS 15+ and is on a charger. There is no such problem if it's not on a charger, or not paired, or paired to iOS 14.4.
  • noticed that it seams there is no problem in downloading the update, it just fails to process update file and falls into the reboot
  • noticed 1 time after all night of updating it showed me the message that it paused the update and it will continue after I connect iPhone back to the network. Obviously, I checked - there was no problem with the network.
  • noticed that if I leave devices, they are not actually doing the update for all the time. It seams they fall asleep. I caught it multiple times to showing that same picture on the watch but the moment I unlocked iPhone to check more details - iPhone starts to check the status and the watch does reboot immediately. That makes me think that they where not doing the update until I interact with them.

This problem should be fixed rather with iOS update or watchOS update which will be focused to solve this issue.

Currently I have my device in absolutely good physical condition but I can't use it at all because of the software issue. I'm sure its not some big bug. Apple should solve this issue. I have a problem which is not my fault but software update which forced me to start the process which killed my device. And now I've wasted a ton of personal time trying to solve the problem. I feel myself humiliatingly by Apple product.

Apple Watch

Posted on Nov 23, 2022 9:05 AM

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Question marked as Top-ranking reply

Posted on Feb 20, 2023 9:05 PM

I was able to successfully update to 8.7.1.


I struggled with this a few months ago....stuck on Preparing, after attempt after attempt. Even went to an Apple Store only to be told the watch has reached end of life. I abandoned the watched update only to retry after stumbling upon a suggestion.


Try this.


1) Do a Force restart on your iPhone.

2) Immediately afterwards, swipe down and turn off Cellular service; keep Wi-fi On only.

3) Start the Pairing process with your Apple Watch.

4) The download (for me) of the update only took 4 minutes, whereas on previous attempts it showed 3-4 hours.

5) BE PATIENT. The "Preparing..." phase may look like it's not moving but eventually did for me (around an hour), eventually moving into the "Installing..." status.


Hopefully that works for you. Good luck.

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18 replies
Question marked as Top-ranking reply

Feb 20, 2023 9:05 PM in response to sviatoslavfromzhytomyr

I was able to successfully update to 8.7.1.


I struggled with this a few months ago....stuck on Preparing, after attempt after attempt. Even went to an Apple Store only to be told the watch has reached end of life. I abandoned the watched update only to retry after stumbling upon a suggestion.


Try this.


1) Do a Force restart on your iPhone.

2) Immediately afterwards, swipe down and turn off Cellular service; keep Wi-fi On only.

3) Start the Pairing process with your Apple Watch.

4) The download (for me) of the update only took 4 minutes, whereas on previous attempts it showed 3-4 hours.

5) BE PATIENT. The "Preparing..." phase may look like it's not moving but eventually did for me (around an hour), eventually moving into the "Installing..." status.


Hopefully that works for you. Good luck.

Dec 23, 2022 9:44 AM in response to sviatoslavfromzhytomyr

Update directly on your Apple Watch.


If your Apple Watch has watchOS 6 or later, you can install updates without your iPhone:

  1. Make sure that your watch is connected to Wi-Fi.
  2. On your watch, open the Settings app.
  3. Tap General > Software Update.
  4. Tap Install if a software update is available, then follow the onscreen instructions.

Leave your Apple Watch on its charger while the update completes, and don't restart your Apple Watch. When the update completes, your Apple Watch restarts on its own.


Dec 17, 2022 9:57 AM in response to sviatoslavfromzhytomyr

Guys I was able to get two Apple Watch series 3’s repaired through the apple repair facility! This is not something that can be done in a store the watch must be sent it. It took two phone calls and a level two tech. After explaining that I had tried everything and was aware that this update would require the watch to be docked and not updated “ota” the first level two tech could not create a repair ticket for the update. Is seams this is because their system thinks this is an issue that should be able to be fixed over the phone or in the store. I refused to accept this so I called back and got with a second level two tech who was able to create a repair ticket. I was overnighted a box for each watch to send them in. Now the best part is this was supposed to cost $159 each but the tech was able to wave this fee! I believe they now this is an issue they created so maybe this is why they were willing to do this. These watches were both at least 3-4yrs old so way out of warranty. Now comes the weird part. The day after I sent them in I received an email stating they had received them. Later that day I got an email stating the repair could not be performed and they would return them with a letter explaining further! I was so disappointed and couldn’t wait to read the explanation. I received them the next day and there was no letter or explanation. I decided to try the pair one more time  and to my surprise both watches successfully completed the process! I couldn’t believe it.. I went into the watch app on the phone and there is was 8.7.1!!! Apple successfully updated both watches. I wish I new what kind of repair ticket was created but whatever is was wasn’t able to be done but the watches were updated !! Be vigilant guys this is possible and free if you stand your ground!!

Jan 13, 2023 5:16 AM in response to Gomez_07

If a forced restart does not fix it then it is probably had it's working life.

Less expensive than having Apple repair (replace) this series 3 get an SE2022 which will leave the series 3 for dust.

Updates can finish off an already sick device but will not directly cause it.


Force restart - hold in the crown and side button together until the Apple logo appears then release.

Watch series 3 update to 8.7.1 bricked my watch

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