Apple Releases watchOS 4.3.1 With watchOS 1 App Warnings, Bug Fixes

by

Apple today released watchOS 4.3.1, a small update to the watchOS 4 operating system that runs on the Apple Watch. watchOS 4.3.1 comes more than a month after the release of watchOS 4.3, a major update that introduced Portrait Nightstand Mode and re-added iPhone music controls.

watchOS 4.3.1 can be downloaded 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.


As a 4.x.x update, watchOS 4.3.1 is minor in scale, focusing primarily on bug fixes and other under-the-hood performance improvements, with no major feature changes discovered during the beta testing period.

Prior to the release of watchOS 4.3.1, Apple stopped letting developers update Apple Watch apps built on the original watchOS 1 SDK. Starting with watchOS 4.3.1, you'll see an alert when launching a watchOS 1 app warning you that the app may not be compatible with future versions of watchOS.

This warning suggests Apple will perhaps drop support for watchOS 1 apps entirely in the future, perhaps in the upcoming watchOS 5 update that Apple will unveil at the Worldwide Developers Conference next week.

According to Apple's release notes, the watchOS 4.3.1 update also fixes a bug that could cause the Apple Watch to sometimes remain at the Apple Logo during startup for some users.

Related Roundup: Apple Watch Series 6
Buyer's Guide: Apple Watch (Buy Now)

Top Rated Comments

(View all)
Avatar
32 months ago

I am sure those that spent $10,000 for their original blinged out Apple Watches will be happy to hear they could soon be doorstops.

I'm sure that anyone that spent that much views it as purely disposable income and simply doesn't care seeing as they've definitely updated by now anyway.
Score: 9 Votes (Like | Disagree)
Avatar
32 months ago
I am sure those that spent $10,000 for their original blinged out Apple Watches will be happy to hear they could soon be doorstops.
Score: 8 Votes (Like | Disagree)
Avatar
32 months ago

Whats this have to do with this thread, WatchOS 4.3.1 Release?

Read the article or even the title and you’ll see that WatchOS 4.3.1 is warning about old apps. Hence my speculation.
Score: 5 Votes (Like | Disagree)
Avatar
32 months ago

I am sure those that spent $10,000 for their original blinged out Apple Watches will be happy to hear they could soon be doorstops.

The type of people that can drop 10k on a watch probably won’t notice the money missing when they buy a new 1k$ watch.
Score: 5 Votes (Like | Disagree)
Avatar
32 months ago
Calling it now. WatchOS 5 won't run on the S0, but hoping that means that Apple allows Watch apps to bake in more functionality. No doubt these warnings are a sign of that.
Score: 3 Votes (Like | Disagree)
Avatar
32 months ago

I am sure those that spent $10,000 for their original blinged out Apple Watches will be happy to hear they could soon be doorstops.

Pretty sure they aren't running WatchOS 1 on that watch right now.
Score: 2 Votes (Like | Disagree)

Top Stories

First iPhone 12 Mini Hands-On Video Surfaces [Update: Video Pulled]

Wednesday October 28, 2020 1:21 pm PDT by
Apple's iPhone 12 mini and the iPhone 12 Pro Max aren't set to be available until November 13, but a Romanian YouTuber got his hands on the iPhone 12 mini and showed it off today, offering a size comparison between the iPhone 12 and the 12 mini along with going over some of the device's features. The iPhone 12 mini is identical to the iPhone 12 in design and functionality, but it has a...

Apple References Unreleased 2020 16-Inch MacBook Pro in Boot Camp Update

Monday October 26, 2020 8:42 am PDT by
Last week, Apple released an update for Boot Camp, its utility for running Windows on a Mac. While this update would typically be unremarkable, several of our readers noticed that the release notes reference an unreleased 2020 model of the 16-inch MacBook Pro. While this could easily be a mistake, the 16-inch MacBook Pro is nearly a year old, so it is certainly a worthy candidate for a...

After Mocking Apple, Samsung May Remove Power Adapter From Galaxy S21 Box

Tuesday October 27, 2020 4:29 pm PDT by
Samsung's Galaxy S21, coming in 2021, may not include a power adapter or headphones in the box, according to reports from Korean media sites highlighted by SamMobile. Rumors earlier this year also said that Samsung was considering removing these accessories from future smartphone models, but that didn't stop Samsung from mocking Apple for selling the iPhone 12 models without a power adapter...

Report: Apple Silicon iMac Featuring Desktop Class 'A14T' Chip Coming First Half of 2021

Tuesday October 27, 2020 4:14 am PDT by
The first iMac powered by Apple Silicon is set to arrive in the first half of next year and will feature a desktop class "A14T" chip, according to Chinese-language newspaper The China Times. Codenamed "Mt. Jade," Apple's first custom-made desktop processor will be twinned with its first self-developed GPU, codenamed "Lifuka," both of which are being produced using TSMC's 5-nanometer process, ...

iPhone 12 Ceramic Shield Still 'Scratches at Level 6 With Deeper Grooves at Level 7' in Mohs Hardness Test

Wednesday October 28, 2020 7:10 am PDT by
iPhone 12 and iPhone 12 Pro models feature a new Ceramic Shield front cover that is "tougher than any smartphone glass," according to Apple, but the displays on the devices still have similar scratch resistance as previous iPhones based on a new test. Zack Nelson today shared his much-anticipated iPhone 12 Pro durability test on his YouTube channel JerryRigEverything, and based on the Mohs...

2020 iPad Air vs. iPad Pro: Hands-On Comparison

Tuesday October 27, 2020 3:03 pm PDT by
Apple announced the new 2020 fourth-generation iPad Air in September, but the new tablets just started shipping out to customers last Friday. We picked one up and thought we'd do a hands-on comparison with the iPad Pro, which was last updated in March, because both tablets are about as powerful and share many similarities. Subscribe to the MacRumors YouTube channel for more videos. Design and ...

MagSafe Charger Only Charges at Full 15W Speeds With Apple's 20W Power Adapter [Updated]

Monday October 26, 2020 3:38 pm PDT by
Alongside the iPhone 12 and 12 Pro models, Apple introduced a new MagSafe charger that attaches to the magnetic ring in the back of the devices, providing up to 15W of charging power, which is double the speed of the 7.5W Qi-based wireless charging maximum. Apple does not provide a power adapter with the $39 MagSafe charger, requiring users to supply their own USB-C compatible option. Apple...

Apple Files Mystery 'Personal Computer' With Placeholder 'B2002' Name in Bluetooth Product Database

Tuesday October 27, 2020 12:36 pm PDT by
Last week, a listing appeared in the Bluetooth product database for an Apple product with a placeholder name "B2002" and a model number of "TBD." MacRumors was alerted to the listing by health and fitness tech website MyHealthyApple. The product is filed under the "personal computer" category, which Apple has used for previous Mac and iPad listings in the database, so it is hard to pinpoint...

Apple Releases First macOS Big Sur 11.0.1 Beta to Developers [Update: Public Beta Available]

Wednesday October 28, 2020 10:15 am PDT by
Apple today seeded a new macOS Big Sur 11.0.1 beta to developers for testing purposes, with the new beta replacing the existing macOS Big Sur 11 beta 10 update that was released two weeks ago. The macOS Big Sur beta can be downloaded through the Apple Developer Center and once the appropriate profile is installed, subsequent betas will be available through the Software Update mechanism in...

iPhone 12 Models Might Support Reverse Charging of Future Apple Accessories According to FCC Filing

Tuesday October 27, 2020 6:25 pm PDT by
iPhone 12 models could have an inactive wireless charging feature for accessories, according to an FCC filing discovered by VentureBeat's Jeremy Horwitz. In the filing, Apple said that 2020 iPhones support a wireless charging function that will seemingly be enabled for at least one future Apple accessory:In addition to being able to be charged by a desktop WPT charger (puck), 2020 iPhones...