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tommyweaver
User level: Level 1 (4 points)

How to update Apple Watch 3 without Wi-Fi using mobile data?

How to update Apple Watch 3 to the newest version of WatchOS (27.0.1) without WiFi? I am struggling to connect and use my watch - after iPhone update my watch stopped to communicate. So I unpaired them and tried to pair them again, however after this they are impossible to use without an update. Although, it seams like without WiFi they won't update. It says "could not connect to Apple watch". I don't have WiFi, and I'm not near any, I have unlimited mobile data, I'm abroad. What can I do? The are completely useless without upgrade...


[Re-Titled by Moderator]

Original Title: Apple Watch update issue

Posted on Oct 10, 2026 9:11 AM

2 replies

KiltedTim
User level: Level 10 (238,530 points)

Oct 10, 2026 9:35 AM in response to tommyweaver

You don't. Find someplace with a WiFi network you can use.

Carol B.
User level: Level 7 (22,975 points)

Oct 10, 2026 9:25 AM in response to tommyweaver

All of the instructions I've found online say a WiFi connection is required. Can you go to a local Apple Store and connect to the WiFi there? If you make an appointment at the Genius Bar, they should be able to help you.


Genius Bar Reservation and Apple Support Options - Apple


Originally posted at discussions.apple.com/thread/256373762