Apple Watch Series 4 Won’t Update WatchOS that failed on Update Stuck or Slow

Apple Watch is very Smart wearable device that we know from other smartwatches. So get optimized performance with updated watch OS and Very important feature like walkie -talkie. But Some users are frustrated with the most common apple watch update problems “Unable to update Apple Watch Series 4” but you see that a new update is available. Rather latest version is available, and others are downloading and installing except you. There might be some reason behind this, let’s find out why my Apple Watch Series 4 won’t update. and You must update the new Apple watch WatchOS.

We have mentioned a few workarounds that will help you to fix Apple Watch Series Won’t Update. Carefully read on the solutions and perform on your Apple Watch.

Some apps and New Settings required Latest WatchOS Update when it comes for you. Trust me there is no hardware issue, You can fix using the below solutions.

Apple Watch Series 4 Won’t Update WatchOS and Failed (Unable to Update)

Correct Way to Update WatchOS On Apple watch is,

  • To update your watch, Unlock your iPhone at first.
  • Open Watch app on iPhone that paired with apple watch.
  • Next, Tap on General.
  • Now, Next to General Tap on Software Update and Wait for Few seconds. (if your watch is updated, then you will get Your Software is up to date). if the update is available but failed to download and install watchOS. Follow the below solutions.
Check for update apple watch on iPhone
Check for update apple watch on iPhone

Solution 1: Restart Apple Watch

Beginning the guide with a very simple technique that is, restart your Apple Watch, if Apple Watch won’t update to watchOS 5. So let’s shut the Apple Watch off normally and turn on.

How to turn off apple watch 4 on unable to update
How to turn off apple watch 4 on unable to update

Step #1: Press and hold the Power button.

Step #2: When you see “POWER OFF”, tap on it.

Step #3: Similarly press and hold the side button, the watch will be turned on.


Solution 2: Make Sure the Apple Watch is Connected to Wi-Fi and iPhone

WiFi not working or Disconnecting when updating apple watch.

It is the key requirement of Apple Watch; Wi-Fi is must when you update any Apple product to the latest version. If your iPhone and Apple Watch are close to each other and paired, besides the iPhone is connected to Wi-Fi, in that case, the Apple Watch will be connected to Wi-Fi too. Connect the iPhone to the Wi-Fi,

Apple watch must be connected with iPhone and WiFi turn on
Apple watch must be connected with iPhone and WiFi turn on

Step #1: On your iPhone, open “Settings” app.

Step #2: Tap “Wi-Fi”.

Step #3: Select the network and connect it. also, Check WiFi is turned on Apple watch or not (Under the control center of Apple watch).


Keep Both: Apple iPhone and Watch Near and Connected (identify Green Signal on Watch Control Center).

Swipe up on Apple Watch Face to Open control center. and There must be green iPhone icon at the top left corner of the screen.

Now it’s done. re-check it’s downloading the software and updating the latest WatchOS.

Solution 3: Check The Battery of Apple Watch

Another need of Apple Watch before updating it is your Apple Watch should be charged at least 50%. Because when you put your Apple Watch on the update, it will consume more battery than regular use. So to update the Apple Watch successfully and smoothly you need to charge the Apple Watch.

Keep apple watch connected with Apple Watch Charger.


Solution 4: Make Sure You Have Enough Storage on Apple Watch

Lack of storage means Apple Watch Series 4 won’t update. It should be clear by now that you need more storage than the actual size of the update. You can check how much storage left on your Apple watch by,

Step #1: Open “Watch” app on your iPhone.

Step #2: Tap “My Watch” tab.

Step #3: Tap “General”.

Step #4: Select “Usage”.

Step #5: On the top, you can see Available Storage and Used Storage.

Force Close Watch App on iPhone,

Swipe finger up on a screen to show app the running apps in app switcher screen. Now, Swipe up to close from iPhone background process.

Re-launch app and try again.


Solution 5: Make Sure The Apple Server isn’t Down

Generally, it happens when we try to download and end up with Apple Watch Series 4 won’t update because the server is under maintenance. To determine in real the Apple Server is down or the problem is anything else. You can check Apple System Status from here.


Solution 6: Restore The Apple Watch

Lastly, you have only one option left to fix Apple Watch Series 4 won’t update that is to restore the Apple Watch to factory settings. It will remove each corrupted file which can be a reason behind this issue. Once you reset the Apple Watch, you have to set it up as new like for the first time you have done.

Step #1: Locate the “Settings” app in Apple Watch.

Step #2: Tap “General”.

Step #3: Tap “Reset”.

Step #4: Finally, select “Erase All Contents and Settings”.

Now, Pair your Apple Watch Again,

Give few minutes to Apple Watch to restore and then pair the watch with iPhone. Try updating the watchOS of the Apple Watch, from Settings > General > Software update on your iPhone’s watch app.


Above solutions are enough to fix your problems of apple watch can’t update for new WatchOS on Apple Watch Series 4 or later & Earlier models. Hope you enjoyed my tips and tutorial. let’s share with your friends and send us feedback on a comment box.

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About jaysukh patel

Jaysukh Patel is the founder of howtoisolve. Also self Professional Developer, Techno lover mainly for iPhone, iPad, iPod Touch and iOS, Jaysukh is one of responsible person in his family. Contact On: [email protected] [OR] [email protected]

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