iOS 16.3 Fixes Issue With Horizontal Lines Appearing on iPhone 14 Pro Max

iOS 16.3 fixes an issue where horizontal lines flash across the screen on some iPhone 14 Pro Max devices when powered on or unlocked, according to Apple's release notes for the software update, which is in the final stage of beta testing.

iphone 14 pro display issues
Apple acknowledged the issue in an internal memo last week and said a fix was incoming, but it's unclear what the underlying cause is or how many iPhone 14 Pro Max devices are affected. The bug fix indicates it's a software issue, rather than a hardware defect, so installing iOS 16.3 when it's available should resolve the problem for affected customers.

Apple made the iOS 16.3 Release Candidate available to developers for testing today, and the update is expected to be released to the public next week.

iOS 16.3 includes a few new features, including an option to use a physical security key as a two-factor authentication option for an Apple ID account, global availability of Advanced Data Protection for wider iCloud encryption, support for the new second-generation HomePod, and a new Unity wallpaper in celebration of Black History Month.

Related Forum: iOS 16

Popular Stories

iphone 16 display

iPhone 17's Scratch Resistant Anti-Reflective Display Coating Canceled

Monday April 28, 2025 12:48 pm PDT by
Apple may have canceled the super scratch resistant anti-reflective display coating that it planned to use for the iPhone 17 Pro models, according to a source with reliable information that spoke to MacRumors. Last spring, Weibo leaker Instant Digital suggested Apple was working on a new anti-reflective display layer that was more scratch resistant than the Ceramic Shield. We haven't heard...
iPhone 17 Air Pastel Feature

iPhone 17 Reaches Key Milestone Ahead of Mass Production

Monday April 28, 2025 8:44 am PDT by
Apple has completed Engineering Validation Testing (EVT) for at least one iPhone 17 model, according to a paywalled preview of an upcoming DigiTimes report. iPhone 17 Air mockup based on rumored design The EVT stage involves Apple testing iPhone 17 prototypes to ensure the hardware works as expected. There are still DVT (Design Validation Test) and PVT (Production Validation Test) stages to...
Beyond iPhone 13 Better Blue

20th Anniversary iPhone Likely to Be Made in China Due to 'Extraordinarily Complex' Design

Monday April 28, 2025 4:29 am PDT by
Apple will likely manufacture its 20th anniversary iPhone models in China, despite broader efforts to shift production to India, according to Bloomberg's Mark Gurman. In 2027, Apple is planning a "major shake-up" for the iPhone lineup to mark two decades since the original model launched. Gurman's previous reporting indicates the company will introduce a foldable iPhone alongside a "bold"...
apple watch ultra yellow

What's Next for the Apple Watch Ultra 3 and Apple Watch SE 3

Friday April 25, 2025 2:44 pm PDT by
This week marks the 10th anniversary of the Apple Watch, which launched on April 24, 2015. Yesterday, we recapped features rumored for the Apple Watch Series 11, but since 2015, the Apple Watch has also branched out into the Apple Watch Ultra and the Apple Watch SE, so we thought we'd take a look at what's next for those product lines, too. 2025 Apple Watch Ultra 3 Apple didn't update the...
iphone 17 air iphone 16 pro

iPhone 17 Air USB-C Port May Have This Unusual Design Quirk

Wednesday April 30, 2025 3:59 am PDT by
Apple is preparing to launch a dramatically thinner iPhone this September, and if recent leaks are anything to go by, the so-called iPhone 17 Air could boast one of the most radical design shifts in recent years. iPhone 17 Air dummy model alongside iPhone 16 Pro (credit: AppleTrack) At just 5.5mm thick (excluding a slightly raised camera bump), the 6.6-inch iPhone 17 Air is expected to become ...
iPhone 17 Pro Blue Feature Tighter Crop

iPhone 17 Pro Launching Later This Year With These 13 New Features

Wednesday April 23, 2025 8:31 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. Below, we recap key changes rumored for the iPhone 17 Pro models as of April 2025: Aluminum frame: iPhone 17 Pro models are rumored to have an aluminum frame, whereas the iPhone 15 Pro and iPhone 16 Pro models have a titanium frame, and the iPhone ...
iPhone 17 Pro on Desk Feature

All iPhone 17 Models Again Rumored to Feature 12GB of RAM

Tuesday April 29, 2025 3:36 am PDT by
All upcoming iPhone 17 models will come equipped with 12GB of RAM to support Apple Intelligence, according to the Weibo-based leaker Digital Chat Station. The claim from the Chinese leaker, who has sources within Apple's supply chain, comes a few days after industry analyst Ming-Chi Kuo said that the iPhone 17 Air, iPhone 17 Pro, and iPhone 17 Pro Max will all be equipped with 12GB of RAM. ...
AirPods Pro 3 Mock Feature

AirPods Pro 3 Just Months Away – Here's What We Know

Tuesday April 29, 2025 1:30 am PDT by
Despite being more than two years old, Apple's AirPods Pro 2 still dominate the premium wireless‑earbud space, thanks to a potent mix of top‑tier audio, class‑leading noise cancellation, and Apple's habit of delivering major new features through software updates. With AirPods Pro 3 widely expected to arrive in 2025, prospective buyers now face a familiar dilemma: snap up the proven...

Top Rated Comments

Born Again Avatar
30 months ago
Going to say this again

Steve

Jobs

Would

Have

Never

Allowed

This!!!!!
Score: 12 Votes (Like | Disagree)
klasma Avatar
30 months ago
What about the vertical lines in landscape?
Score: 6 Votes (Like | Disagree)
Mr. Dee Avatar
30 months ago
Thank you early adopters, I can always count on you! ❤️
Score: 6 Votes (Like | Disagree)
Sunoo Avatar
30 months ago
@segfaultdotorg Guess you’d better go tell Apple they’re wrong then. https://www.apple.com/ios/ios-16/
Score: 5 Votes (Like | Disagree)
t0rqx Avatar
30 months ago
Hope they really fixed this and this was a software issue and not colouring the lines in black so it would seem they “won’t appear” or disabling all pixels when booting.
Score: 5 Votes (Like | Disagree)
danielsutton Avatar
30 months ago

You probably mean iPhoneOS 16.3. Apple split iPadOS and iPhoneOS a few years ago. It's confusing, I know.
They mean iOS 16.3. iOS is the system that runs on iPhones, while iPadOS is the system that runs on iPads. Previously, both systems had been called iOS, but now, as you said, they were developed into their own operating systems.
Score: 4 Votes (Like | Disagree)