How to use Water Lock on Apple Watch in watchOS 4Lock your screen and get rid of water from your Apple Watch speaker in watchOS 4.
If you have an Apple Watch Series 2 or Series 3, you'll be able to use Water Lock, which locks the screen of your Apple Watch so you can swim without activating it. Water Lock is also used to push water out of the speaker holes on the side of your Apple Watch to prevent the water from causing any problems in the long term.
Here's how to use Water Lock on the Apple Watch in watchOS 4.
How turn on Water Lock on Apple Watch in watchOS 4
If you start a water-based workout from the Workout app, Water Lock will automatically turn on locking your screen to prevent accidental input; however, in watchOS 4 you can turn on Water Lock at any time using Control Center.
Swipe up on the watch face to activate Control Center.
Tap Water Lock. It's button with the water droplet.
Now your Apple Watch screen is locked and you can jump in the pool and start your laps.
How turn off Water Lock on Apple Watch in...
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How to use Water Lock on Apple Watch in watchOS 4
