Apple Releases watchOS 7.0.3 for Apple Watch Series 3 to Fix Unexpected Restart Issue

Apple today released watchOS 7.0.3, the third update to the watchOS 7 operating system that was released in September. watchOS 7.0.3 comes a week after the release of watchOS 7.0.2, a bug fix update that addressed battery drain.

apple watch series 3 trio
‌‌watchOS 7.0.3 can be downloaded for free through the dedicated Apple Watch app on the iPhone by going to General > Software Update. To install the new software, the Apple Watch needs to have at least 50 percent battery, it needs to be placed on a charger, and it needs to be in range of the ‌‌‌‌iPhone‌‌‌‌.

Today's update is available only for the Apple Watch Series 3, and customers with other Apple Watch models will not see the update. watchOS 7.0.3 fixes the random reboots that Apple Watch Series 3 owners have been experiencing. From Apple's release notes:

watchOS 7.0.3 contains improvements and bug fixes, including an issue where Apple Watch Series 3 may unexpectedly restart for some users.

For details on everything that's new in ‌watchOS 7‌, make sure to check out our watchOS 7 roundup.

Related Roundup: watchOS 26
Related Forum: Apple Watch

Popular Stories

iPhone Pocket Short

iPhone Pocket is Now Completely Sold Out Worldwide

Tuesday November 25, 2025 7:16 am PST by
Apple recently teamed up with Japanese fashion brand ISSEY MIYAKE to create the iPhone Pocket, a limited-edition knitted accessory designed to carry an iPhone. However, it is now completely sold out in all countries where it was released. iPhone Pocket became available to order on Apple's online store starting Friday, November 14, in the United States, France, China, Italy, Japan, Singapore, ...
Netflix Smaller 4

Netflix Kills Casting From Its Mobile App to Most Modern TVs

Monday December 1, 2025 4:36 am PST by
Netflix has quietly removed the ability to cast content from its mobile apps to most modern TVs and streaming devices, including newer Chromecast models and the Google TV Streamer. The change was first spotted by users on Reddit and confirmed in an updated Netflix support page (via Android Authority), which now states that the streaming service no longer supports casting from mobile devices...
Cyber Week Deals 2025

Best Cyber Week Apple Deals Include Big Discounts on AirPods, Apple Watch, and More

Sunday November 30, 2025 7:33 am PST by
Cyber Week is here, and you can find popular Apple products like AirPods, iPad, Apple Watch, and more at all-time low prices. In this article, the majority of the discounts will be found on Amazon. Note: MacRumors is an affiliate partner with some of these vendors. When you click a link and make a purchase, we may receive a small payment, which helps us keep the site running. Specifically,...
Sad Siri Feature

Apple AI Chief John Giannandrea Retiring After Siri Delays

Monday December 1, 2025 2:16 pm PST by
Apple AI chief John Giannandrea is stepping down from his position and retiring in spring 2026, Apple announced today. Giannandrea will serve as an advisor between now and 2026, with former Microsoft AI researcher Amar Subramanya set to take over as vice president of AI. Subramanya will report to Apple engineering chief Craig Federighi, and will lead Apple Foundation Models, ML research, and ...
studio display purple february

M5 iPad Pro Could Hint at New Studio Display Feature

Sunday November 30, 2025 10:30 am PST by
The updated specs of the M5 iPad Pro may point toward a major new feature for Apple's next-generation Studio Display expected in early 2026. Apple's latest iPad Pro debuted last month and contains one display-related change that stands out: it can now drive external monitors at up to 120Hz with Adaptive Sync. The feature should deliver lower latency, smoother motion, and fewer visual...
New Intel Logo

Apple and Intel Rumored to Partner on Mac Chips Again in a New Way

Friday November 28, 2025 7:33 am PST by
While all Macs are now powered by Apple's custom-designed chips, a new rumor claims that Apple may rekindle its partnership with Intel, albeit in a new and limited way. Apple supply chain analyst Ming-Chi Kuo today said Intel is expected to begin shipping Apple's lowest-end M-series chip as early as mid-2027. Kuo said Apple plans to utilize Intel's 18A process, which is the "earliest...
maxresdefault

iPhone Fold: Launch, Pricing, and What to Expect From Apple's Foldable

Monday December 1, 2025 3:00 am PST by
Apple is expected to launch a new foldable iPhone next year, based on multiple rumors and credible sources. The long-awaited device has been rumored for years now, but signs increasingly suggest that 2026 could indeed be the year that Apple releases its first foldable device. Subscribe to the MacRumors YouTube channel for more videos. Below, we've collated an updated set of key details that ...
iphone black friday gold

The Best Black Friday iPhone Deals Still Available

Friday November 28, 2025 6:24 am PST by
Cellular carriers have always offered big savings on the newest iPhone models during the holidays, and Black Friday 2025 sales have kicked off at AT&T, Verizon, T-Mobile, and more. Right now we're tracking notable offers on the iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, and iPhone Air. For even more savings, keep an eye on older models during the holiday shopping season. Note: MacRumors is...
iOS 26

When Will Apple Release iOS 26.2?

Monday December 1, 2025 4:37 pm PST by
We're getting closer to the launch of the final major iOS update of the year, with Apple set to release iOS 26.2 in December. We've had three betas so far and are expecting a fourth beta or a release candidate this week, so a launch could follow as soon as next week. Past Launch Dates Apple's past iOS x.2 updates from the last few years have all happened right around the middle of the...

Top Rated Comments

jz0309 Avatar
67 months ago
good news for all you S3 owners!!
Score: 7 Votes (Like | Disagree)
seezar Avatar
67 months ago
Finally, this has been an annoying issue since updating to watch os 7
Score: 6 Votes (Like | Disagree)
Apple_Robert Avatar
67 months ago
Glad to see the series 3 owners finally getting update to solve the problem.
Score: 3 Votes (Like | Disagree)
PhillyGuy72 Avatar
67 months ago

You can enter this URL in Safari:

applefeedback://
I NEVER knew about that!
Thank you.

Attachment Image

Attachment Image
Score: 2 Votes (Like | Disagree)
gank41 Avatar
67 months ago
Sooooo, what about the random reboots that were happening on my S4, and are now still happening on my S6 Apple Watch?

¯\_(ツ)_/¯

Also, when I restored my new S6 from a backup (tried 3 different date backups), none of the apps would install from the iPhone Watch App. I had to manually install each app from the App Store on the Watch itself. Any settings or complications and placement still carried over, like my settings were still in place. Weird. I’ve filed feedback. Hopefully another update is still coming...
Score: 2 Votes (Like | Disagree)
SidricTheViking Avatar
67 months ago
Installing now on my Series 3...although I’ve had none of the issues mentioned!
Score: 2 Votes (Like | Disagree)