Apple Releases tvOS 18.3.1 for Third-Generation Apple TV 4K

Apple today released tvOS 18.3.1, the newest version of the tvOS 18 operating system that came out in September. tvOS 18.3.1 comes almost two months after the release of tvOS 18.3, and it is only available for the third-generation Apple TV 4K. Other ‌Apple TV‌ models will not have an update available.

tvOS 18 Thumb 3
tvOS 18.3.1 can be downloaded using the Settings app on the ‌‌Apple TV‌‌. Open up Settings and go to System > Software Update to get the new software. ‌‌Apple TV‌‌ owners who have automatic software updates activated will be upgraded to tvOS 18.3.1 automatically.

Apple shares full release notes for tvOS in its tvOS support document, which is updated after each new version of tvOS comes out. Today's update addresses an issue that could prevent playback of some streaming content on the third-generation ‌Apple TV‌ 4K.

Update: This article has been updated to note that the tvOS 18.3.1 software is only available for the third-generation ‌Apple TV‌ 4K.

Related Roundup: Apple TV
Buyer's Guide: Apple TV (Don't Buy)

Popular Stories

iOS 19 visionOS UI Elements

iOS 19 to Have Some of the 'Biggest' Design Changes in iPhone's History

Sunday March 16, 2025 10:35 am PDT by
Apple is planning some of the "biggest iOS and macOS redesigns in its history," according to Bloomberg's Mark Gurman. In his Power On newsletter today, Gurman reiterated that iOS 19 will have a visionOS-like design with more transparent interfaces:The new interfaces will adopt the design principles introduced in visionOS, the software for Apple's Vision Pro headset. That includes greater...
iphone 17 pro asherdipps

iPhone 17 Pro Max Rumors Allegedly Refer to 'iPhone 17 Ultra' Model

Friday March 14, 2025 7:56 am PDT by
If you've been following iPhone rumors over the last few years, you may remember reading reports that Apple flirted with the idea of introducing a super high-end "Ultra" model that would either replace its Pro Max device or sit above it in Apple's smartphone hirearchy. These reports appeared in the pre-launch iPhone 15 and iPhone 16 rumor cycles, but ultimately came to nothing. Now though, the...
iPhone 17 Air Size Feature

Ultra-Thin 'iPhone 17 Air' Rumored to Include These 12 Features

Saturday March 15, 2025 10:50 am PDT by
While the so-called "iPhone 17 Air" is not expected to launch until September, there are already plenty of rumors about the ultra-thin device. Overall, the "iPhone 17 Air" sounds like a mixed bag. While the device is expected to have an impressively thin and light design, rumors indicate it will have some compromises compared to iPhone 17 Pro models, including only a single rear camera, a...
Bent iPhone Air Feature

Apple Canned Larger iPhone 17 Air Model Over Fears of Bendgate 2.0

Monday March 17, 2025 4:07 am PDT by
Apple prototyped a larger ultra-slim iPhone 17 Air with a 6.9-inch display, but ultimately decided not to go ahead with the device because of fears that it could be susceptible to bending, according to a new report. Bloomberg reporter Mark Gurman, writing in his latest Power On newsletter: When it first started work on the phone, it prototyped a device with a 6.9-inch screen — matching...
iphone 16 pro models 1

Apple's First Foldable iPhone Estimated to Cost Nearly Twice as Much as iPhone 16 Pro Max

Monday March 17, 2025 6:42 am PDT by
In an investor research note today with British bank Barclays, analyst Tim Long said Apple's first foldable iPhone could have a starting price in the $2,300 range in the United States, which would make it by far the most expensive iPhone model ever. If the first foldable iPhone starts at $2,299, that means it would cost nearly twice as much as the iPhone 16 Pro Max, which starts at $1,199. ...
iPhone 17 Air Size Feature

'iPhone 17 Air' Rumored to Start at $899 With Surprisingly Good Battery Life, Camera Control, and More

Sunday March 16, 2025 9:05 am PDT by
Bloomberg's Mark Gurman today shared some new details about the rumored iPhone 17 Air. In his Power On newsletter, Gurman said he was told that the device may start at roughly $899 in the U.S., which means that it would occupy the same price point as the iPhone 16 Plus. This would make sense, as it has been widely rumored that the Air model will take over the Plus model's spot in the iPhone...
General iOS Mail Feature

iOS 18.3.2 Broke iCloud Mail Delivery

Monday March 17, 2025 3:31 pm PDT by
The iOS 18.3.2 update that Apple released last week appears to have broken iCloud Mail for some users. There are multiple complaints on Reddit and the MacRumors forums from users who say that iCloud Mail is not able to push new iCloud emails to their iPhones after the iOS 18.3.2 update. Affected users say that despite having the correct settings enabled, new iCloud emails are not showing up...
iphone 16e usb c feature

'iPhone 17 Air' is Step Towards Slimmer iPhones Without USB-C Ports

Sunday March 16, 2025 9:36 am PDT by
Apple considered launching the iPhone 17 Air without a USB-C charging port, according to Bloomberg's Mark Gurman. In his Power On newsletter today, Gurman said that while Apple ultimately decided against making the iPhone 17 Air its first iPhone model without a charging port, the idea is still on the table for future iPhone models. He said the iPhone 17 Air will "foreshadow a move to...

Top Rated Comments

mujtaba.mir Avatar
1 week ago
The update is only for the 3rd Generation models. From the release notes:

“This update addresses an issue that may prevent playback of some streaming content on Apple TV 4K (3rd generation).”
Score: 8 Votes (Like | Disagree)
Spock Avatar
1 week ago
I like the pictures posted with these releases. Good job to whoever makes them.
Score: 7 Votes (Like | Disagree)
dms_91 Avatar
1 week ago
Does this resolve the stupid Siri Remote skipping more than one option at a time with the right directional button …anyone else have this issue?
Score: 2 Votes (Like | Disagree)
Squillace Avatar
1 week ago

I've experienced this a lot last year but it seems to have resolved itself at some point this year.
...not for me.

Sometimes it's not the right direction button, it's the top one. Weird bug.
Score: 1 Votes (Like | Disagree)
IT Troll Avatar
1 week ago

I like the pictures posted with these releases. Good job to whoever makes them.
Shame they didn’t take as much care over the content of the article by reading and reporting on the release notes.
Score: 1 Votes (Like | Disagree)
BHarris_108 Avatar
1 week ago

The update is only for the 3rd Generation models. From the release notes:

“This update addresses an issue that may prevent playback of some streaming content on Apple TV 4K (3rd generation).”
Thank you! I wasn't sure why I wasn't getting an update until you cleared it up for me.
Score: 1 Votes (Like | Disagree)