This article is going to show you how to factory reset an Apple Watch so all you have to do is to read carefully and adhere to all the instructions on this article.
If you're using your Apple Watch in Japan and have a Suica card in Wallet, before you unpair, make sure that you remove your Suica card.
Disconnect your devices
Keep your Apple Watch and iPhone close together as you unpair them.
Open the Apple Watch app on your iPhone.
Go to the My Watch tab and tap your watch at the top of the screen.
Tap the info button the info icon next to the watch that you want to unpair.
John's 42mm Aluminum Apple Watch in the Watch app.
Tap Unpair Apple Watch.
Apple Watch screen on iPhone showing details for John's Aluminum Apple Watch.
For GPS + Cellular models, choose to keep or remove your cellular plan.
If you want to pair your Apple Watch and iPhone again, keep your plan.
If you don't want to pair your Apple Watch and iPhone again, remove your plan. If you aren't going to pair with a different watch or iPhone, you might need to contact your carrier to cancel your cellular subscription.
Tap again to confirm. You might need to enter your Apple ID password to disable Activation Lock. Before erasing all content and settings on your Apple Watch, your iPhone creates a new backup of your Apple Watch. You can use the backup to restore a new Apple Watch. After your Apple Watch unpairs, you'll see the Start Pairing message.
Use these steps to set up your Apple Watch again.
Erase your Apple Watch
If you don't have your iPhone and can't unpair, you can still erase all content and settings on your Apple Watch:
On your Apple Watch, tap Settings > General > Reset > Erase All Content and Settings.
Reset screen on Apple Watch.
For GPS + Cellular models, choose to keep or remove your cellular plan.
If you want to pair your Apple Watch and iPhone again, keep your plan.
If you don't want to pair your Apple Watch and iPhone again, remove your plan. If you aren't going to pair with a different watch or iPhone, you might need to contact your carrier to cancel your cellular subscription.
Tap Erase All to confirm. This resets your Apple Watch to the factory settings.
