Apple Releases iOS 12.3.1 With Fixes for Messages and VoLTE Bugs

A week and a half after releasing iOS 12.3 with a revamped TV app, Apple today released iOS 12.3.1, a bug fix update that isn't expected to include any significant new features.

The iOS 12.3.1 update is available on all eligible devices over-the-air in the Settings app. To access the update, go to Settings > General > Software Update. As with all iOS updates, iOS 12.3.1 is free to download, but it may take some time to propagate to all iOS users.

ios 12 3 1 white
According to Apple's release notes, iOS 12.3.1 addresses a handful of bugs related to the Messages app and VoLTE calls.

iOS 12.3.1 includes bug fixes for your iPhone and iPad. This update:

- Fixes an issue that could prevent making or receiving VoLTE calls
- Fixes issues in Messages that could cause messages from unknown senders to appear in your conversation list even though Filter Unknown Senders is enabled
- Fixes an issue that could prevent the Report Junk link from appearing in Messages threads from unknown senders

Apple did not offer a developer or public beta testing period for iOS 12.3.1, as is common for bug fix releases that are intended to address only a very few targeted areas and thus don't require significant feedback from users before public release.

Related Forum: iOS 12

Popular Stories

iPhone 17 Pro Render Front Page Tech

iPhone 17 Pro Launching Later This Year With These 10 New Features

Sunday March 23, 2025 10:00 am PDT by
While the iPhone 17 Pro and iPhone 17 Pro Max are not expected to launch until September, there are already plenty of rumors about the devices. iPhone 17 Pro's alleged design via Front Page Tech Below, we recap key changes rumored for the iPhone 17 Pro models as of March 2025: Aluminum frame: iPhone 17 Pro models are rumored to have an aluminum frame, whereas the iPhone 15 Pro and iPhone...
iCloud General Feature Redux

iPhone Users Who Pay for iCloud Storage Receive a New Perk

Thursday March 20, 2025 12:01 am PDT by
If you pay for iCloud storage on your iPhone, Apple has a new perk for you, at no additional cost. The new perk is the ability to create invitations in the Apple Invites app for the iPhone, which launched in the App Store last month. In the Apple Invites app, iCloud+ subscribers can create invitations for any occasion, such as birthday parties, graduations, baby showers, and more. Anyone ...
Generic iOS 19 Feature Mock

iOS 19 Coming in June With These New Features

Thursday March 20, 2025 2:04 pm PDT by
While the first iOS 19 beta is still more than two months away, there are already plenty of rumors about the upcoming software update. Below, we recap the key iOS 19 rumors so far. visionOS-Like Design In January, the YouTube channel Front Page Tech revealed a redesigned Camera app that is allegedly planned for iOS 19. According to Front Page Tech host Jon Prosser, the Camera app...
iOS 18

Top 5 New Features Coming in iOS 18.4

Friday March 21, 2025 3:26 pm PDT by
We're not getting new Siri Apple Intelligence features in iOS 18.4 as expected, but the upcoming update does have quite a few new additions that will be worth upgrading for. We've rounded up the five best features to look forward to, and if you're not running the beta, you can expect to get access to these in early April. Priority Notifications If you have an iPhone or iPad that supports...
airpods pro 2 gradient

AirPods Pro 3 Launch Now Just Months Away: Here's What We Know

Tuesday March 18, 2025 9:13 am PDT by
Despite being released over two years ago, Apple's AirPods Pro 2 continue to dominate the wireless earbud market. However, with the AirPods Pro 3 expected to launch in 2025, anyone thinking of buying Apple's premium earbuds may be wondering if the next generation is worth holding out for. Apart from their audio and noise-canceling performance, which are generally regarded as excellent for...
Generic iOS 18

Apple Seeds iOS 18.4 and iPadOS 18.4 Release Candidate With Priority Notifications, Ambient Music and More

Monday March 24, 2025 10:07 am PDT by
Apple today seeded the release candidate versions of upcoming iOS 18.4 and iPadOS 18.4 updates to developers for testing purposes, with the software coming a week after Apple released the fourth betas. iOS 18.4 and iPadOS 18.4 can be downloaded from the Settings app on a compatible device by going to General > Software Update. With iOS 18.4, Apple is adding the Priority Notifications...
Foldable iPhone 2023 Feature Iridescent Search

Foldable iPhone Expected to Launch Next Year, Costing Around $2,000

Monday March 24, 2025 3:43 am PDT by
Apple will launch its long-rumored foldable iPhone next year with a ~$2,000 premium price tag attached, expects well-connected Bloomberg reporter Mark Gurman. Gurman's comments on Apple's launch plans for its first foldable device appeared in the Q&A section of his latest Power On newsletter. Earlier this month, the reporter said Apple's foldable iPhone could be arriving "as early as 2026,"...
Windows Vista

Apple Might Be Having Its Windows Vista Moment, Says Analyst

Thursday March 20, 2025 6:52 am PDT by
Is Apple experiencing a "Vista-like drift into systemically poor execution?" That was a question posed by well-known technology analyst Benedict Evans, in a recent blog post covering Apple's innovation and execution, or seemingly lack thereof as of late. He is referring to Microsoft's Windows Vista operating system, which was widely criticized when it launched in 2007 due to software bugs,...

Top Rated Comments

AMP12345 Avatar
76 months ago
But most importantly, does it fix the adventure sync bug in Pokemon Go that 12.3 introduced? I need those steps counted, gotta catch them all!
Score: 12 Votes (Like | Disagree)
Cosmosent Avatar
76 months ago
It sure would be nice if AAPL would inform App Devs (very specifically) which Bugs they've fixed with each Update, so that we don't have to play the stupid guessing game each time !
Score: 8 Votes (Like | Disagree)
cableguy84 Avatar
76 months ago
This update is insane. Everything is so much faster and I'm getting all day battery life now.
Score: 6 Votes (Like | Disagree)
DaveOP Avatar
76 months ago
Re.: "revamped TV app". I'm still puzzled about what exactly the TV App is for. I see it on my Apple TV 4k, but I've never actually launched it.
It's nice in the US if you actually link all your services to it. I get notifications when teams I care about are in close games, shows I follow (which is not many) have new episodes, etc.
Score: 4 Votes (Like | Disagree)
nutmac Avatar
76 months ago
Re.: "revamped TV app". I'm still puzzled about what exactly the TV App is for. I see it on my Apple TV 4k, but I've never actually launched it.
For me, it's mainly for:

* Watching iTunes or Movies Anywhere (UHD, BD, DVD) purchases
* Watching my own ripped UHDs, BDs, DVDs (those not eligible for Movies Anywhere)
* Apple TV Channels for services that I subscribe to when shows I like becomes available (e.g., HBO for Silicon Valley, Westworld, CBS All Access for Star Trek Discovery) -- being able to download is great for travel
* Up Next for apps that integrate with TV app, such as Amazon Prime Video and Hulu
* Sports for MLB at Bat and ESPN+

iOS 12.3 finally made TV app's player capable by adding 15 second rewind and forward buttons and non obtrusive volume control display.
Score: 4 Votes (Like | Disagree)
axantas Avatar
76 months ago
Re.: "revamped TV app". I'm still puzzled about what exactly the TV App is for. I see it on my Apple TV 4k, but I've never actually launched it.
It is a crappy piece of software with a hilarious interface, usability zero, mainly used to sell Apples movies, formerly known as very useful „Videos“ app
Score: 4 Votes (Like | Disagree)