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“iPhone 16 pro”

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ESP32 USB-C to iPhone 16 USB-C communication
Hi everyone, I am seeking clarification regarding the communication capabilities between an ESP32 microcontroller and Apple's latest devices, specifically the iPhone 16 Pro Max and iPad Pro, both equipped with USB-C ports. Background: MFi Certification: Historically, establishing communication between external devices and iOS devices required MFi (Made for iPhone/iPad) certification. But I remember this being necessary in the Lightning Cable to USB era. With the introduction of USB-C ports in recent iPhone and iPad models, there is an indication that MFi certification may no longer be necessary for certain peripherals. Perhaps I'm not confident on the terminology here: https://mfi.apple.com/en/who-should-join Project Requirements: I am working on a sensor research project that necessitates the collection of low-latency time-series data from an ESP32 microcontroller, which features a USB-C port. The data needs to be transmitted to an iPhone 16 Pro
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1.7k
Jan ’25
Reply to UITextField Input Issue While Using Bilingual Keyboard in iOS 18
The issue you described is interesting to me, yet I failed to reproduce the issue by running your project. Here is what I tried: Download your project, build it with Xcode 16.0 (16A242d), and run it on my iPhone 16 Pro Max simulator + iOS 18.0 (22A3351). Type 123456 in the text field (with black background) in your app. At step 2, I observe that the output is 1-2-3-4-5-6-. I also switched the system language to Korea, and made sure the Korea & English (US) keyboard was in the keyboard list in Settings, but the result was the same. Do I need to do anything to be able to reproduce the issue. Secondly, did you try to use textField(_:shouldChangeCharactersIn:replacementString:), instead of .editingChanged? The delegate method is designed for confirming or replacing an input, which I think fits your use case. Best, —— Ziqiao Chen  Worldwide Developer Relations.
Topic: UI Frameworks SubTopic: UIKit Tags:
Oct ’24
Reply to Delay in notifications iPhone 16 Pro iOS 18.3
I’ve been experiencing the exact same issue since I purchased my iPhone 16 Pro on launch day in September, and it has not been fixed despite all the iOS updates I’ve installed. I have an open case with Apple Support, but every time I call for an update, a new supervisor takes over and tells me the same thing: that this is a software issue. We’ve tried everything—factory resets (twice), network and general settings resets multiple times, collecting logs, sending screenshots and videos, verifying all app settings, making sure DND isn’t interfering, and countless other troubleshooting steps. Nothing has worked. I’ve asked for a replacement, but they refuse, claiming it’s not a hardware issue. However, given how many people are reporting this, I can’t help but feel that this is an inherent hardware flaw in some iPhone 16 models. The fact that Apple keeps pushing updates without fixing it is frustrating. I just wanted to share my experience in case a developer sees this and can
Feb ’25
Reply to iOS 26 BUG
hi guys Iphone 16 pro max IOS 26 Bugs: action button on top left dont have MUTE anymore . is that a bug ?. I cannot mute phone anymore as before by pressing 3 sec on action button . shortcuts and action doesnt give choice to have a MUTE / SILENT option as it used to be in IOS 18 from control center , the MOBILE data switch doent work . By pressing on it make is do nothing . I have to manually go to setting to activate MOBILE DATA ON . I have tried to go to restriction . It looks like it show as ACTIVE in setting : if I look at SEARCH and type: Imessage or message . message is nothing found again in setting , SEARCH doent find any words to get me to setting place as it worked on IOS 18. I have to browse manually something small lag when switching pages in MULTITASK on my IPad Pro A12Z. gaming under LOW POWER MODE make the graphics glitchy . fine when on normal power . was fine under IOS 18
Sep ’25
Reply to Crashing when going from Compact to Two Over Secondary in UISplitViewController on iPadOS 17
We are seeing the same error when trying to hide toolbar in a view inside NavigationSplitView on iPhone 16 Pro Max simulator running iOS 18. This crashes when rotating the phone to landscape when the view is open and toolbar hidden. We would sometimes want to hide the toolbar in compact mode, but haven't found a good solution yet. import SwiftUI enum NavigationDestination: Hashable, Codable { case home } struct ContentView: View { @State var columnVisibility: NavigationSplitViewVisibility = .all @State var navigationPath: [NavigationDestination] = [] @ViewBuilder var sidePanel: some View { VStack { Button(Home) { navigationPath.append(.home) } } } var body: some View { ZStack { NavigationSplitView( columnVisibility: $columnVisibility, sidebar: { sidePanel }, detail: { NavigationStack(path: $navigationPath) { ZStack {} .navigationDestination(for: NavigationDestination.self) { d in switch d { case .home: HomeView() } } } } ) } } } struct HomeView: View { var body: some View { VStack {
Topic: UI Frameworks SubTopic: UIKit Tags:
Nov ’24
Reply to ESP32 USB-C to iPhone 16 USB-C communication
[quote='772812021, maxwendysh, /thread/772812, /profile/maxwendysh'] Is MFi certification still required for an ESP32 microcontroller to communicate with iPhone 16 Pro Max or iPad Pro via USB-C? [/quote] This is one of those places where iOS and iPadOS differ. On iPadOS you can use DriverKit to communicate with a custom USB device. That’s not an option on iOS. Both iOS and iPadOS support MFi, so you could build it that way. [quote='772812021, maxwendysh, /thread/772812, /profile/maxwendysh'] Do the iPhone 16 Pro Max and iPad Pro natively support serial communication over USB-C with microcontrollers like the ESP32? [/quote] Not in the way you’re looking for. Both iOS and iPadOS have built-in support for a wide range of USB classes, and device in that class appear are accessible via higher-level APIs: a PIV device is visible to the system via CryptoTokenKit, an audio device via our extensive audio API, and so on. However, the list of supported classes doesn’
Topic: App & System Services SubTopic: Hardware Tags:
Jan ’25
Screen stays on after notification iOS 18 - 16 pro max
after my phone receives a notification, the screen stays on. i Waited 15 minutes and did not go off (fully lid) battery drained 5%. Always on display was set to OFF. Restarting the phone solved the issue, but home & loch screen has been my No..1 battery use since I have the iPhone 16 (2 weeks). never saw that app using battery in the previous 10 year of iPhone use. My new iphone 16 pro max does not appear to have much more battery life than my previous 12 pro max with battery cap at 83%
1
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1k
Oct ’24
Reply to Apple Carplay iOS 18 and Toyota
This started happening to me 1 week ago. 2022 Toyota Rav4 XSE Hybrid, wired CarPlay, though I was using a bluetooth adapter for wireless CarPlay at the time. iPhone 16 Pro, iOS 18.2.1, though I was already running this when CarPlay went kaput. I drove the car to a store using CarPlay and Google Maps just fine, turned off the car for about 5 minutes, and ever since then, no CarPlay. I've removed the bluetooth adapter, tried many different USB cables directly, and nothing. My phone charges over USB no problem. I've tried all of the troubleshooting tips I can find, both on the iPhone and Toyota's infotainment system. Yes, I have turned it off an on again. My system is up to date according to the firmware page @GreenEagle posted, if you can call 2021 up to date. It's driving me bonkers, especially since I don't believe I've seen a single actual solution on the web. I didn't realize how much I rely on CarPlay until it stopped working.
Jan ’25
Reply to Can't change iPhone watch app complication picker app name
The name should be the bundle display name of the watchOS app, and I just confirmed that with the Transferring data with Watch Connectivity sample and the following steps: Download the sample and manage to run the app on my iPhone and paired Apple Watch. In the iOS Watch app, find the section name shown in the first screenshot in the original post, and confirm it is SimpleWatchConnectivity Watch App. In the Xcode project, find the Bundle display name entry in the Info.plist of the watchOS app, confirm that the value is SimpleWatchConnectivity Watch App as well. Change the value of the entry to SimpleWatchConnectivity, then run the app again. In the iOS Watch app, confirm that the section name is now SimpleWatchConnectivity, consistent with the new bundle display name. I tested with iPhone 16 Pro + iOS 18.4.1 and Apple Watch Serial 10 + watchOS 11.4(22T251). The project was built with Xcode 16.2 (16C5032a) on macOS 15.4.1 (24E263). If you see a different result with the same test, I'
May ’25
Reply to Issue with #Playground and Foundation Model
I'd like to be clear that the Foundation Models framework and #Playground do support iOS simulators, and I've confirmed that the code snippet provided above works with my following configuration, as shown in the attached screenshot: MacBook Pro with Apple M4 chip. macOS 26.0 Beta (25A5295e), Apple Intelligence is enabled and works. Xcode 26.0 beta 2 (17A5241o) The iOS simulator: iPhone 16 Pro (23A5276e) I can't explain why the error happens on your side though. One common-seen unsupported configuration is macOS 15.x + iOS simulator, which is not your case as you confirmed that you ran macOS 26 Tahoe. You can double check if your configuration has any difference from mine – I am on Beta 2, and your Mac with the M2 chip should work. If the the problem is still there, I’d suggest that you file a feedback report with a sysdiagnose, and share your report ID here. See this post for how to provide actionable feedback for the Foundation Models framework. Best, —— Ziqiao Chen  Worldwide Dev
Jul ’25
CarPlay not working on Apple iPhone 15 PRO MAX iOS 26
I have a FORD F250 2021. I returned for a deployment, and CarPlay does not work in my vehicle. I have tried all the YouTube, TikTok, Facebook, and Instagram videos I could find. They all actually started to repeat, so I decided to come here. My wife has an iPhone 16 Pro Max, and it connects to CarPlay without any issues. Other than all the social media suggestions, do you have any other suggestions? No, I am not ready to purchase a new device.
1
0
444
Sep ’25
Xcode 16 RC iPhone16 ProMax simulator status bar height is wrong
I am using Xcode 16 RC to debug an iPhone 16 app. The status bar height returned by iPhone 16 and iPhone 16 Pro is 54, while the height of the status bar returned by iPhone 16 ProMax is 44. Why is this? Here is the code I use: [UIApplication sharedApplication].windows.firstObject.windowScene.statusBarManager.statusBarFrame.size.height
Topic: UI Frameworks SubTopic: UIKit
1
0
1.3k
Sep ’24
Reply to io 18.2 email issue
Yes, I am seeing the same thing. I am running iOS 18.2 Beta 3, on an iPhone 16 Pro Max. I just noticed this was happening. It takes 4-5 min to download emails, if they download at all. This only happens when connected to WiFi. If I disconnect from WiFi, all of my emails load as they should (almost immediately). I checked my MBP at the same time, and the emails show in the mail app normally, while I get the Downloading X Messages showing on my iPhone. With regard to what @JoeyJK mentioned, I also see this. I open a email, and it looks blank because it is Downloading the content. I only displays the email after a very long time, unless of course, I disconnect from WiFi. Then the email loads immediately. Not sure what the connection to Wifi is. I have tried changing access points, cycling the Private Wifi Address and Limit IP Address Tracking on and off, and trying to download the emails with them both on and off. This is happening to iCloud, Gmail, and Outlook emails alike. What kind
Nov ’24
Reply to App Crashes on iPhone 15 Pro and iPhone 16 After App Store Installation
Update (belated but hopefully helpful): I originally posted this on January 26 and meant to follow up sooner — life got pretty busy with some personal situations, and it slipped through the cracks. I wanted to provide closure in case anyone else runs into something similar. After further testing, I discovered that the issue wasn’t with the app itself or with newer iPhone models. The root cause turned out to be a version mismatch. Both friends told me they were running iOS 18, but it turns out neither of them had actually updated their devices. They thought they had, but they were still on earlier versions — and those were the devices that were crashing. What made things especially confusing was that the app worked flawlessly on simulators for the same models, and I was comparing behavior against another friend’s iPhone 16 Pro Max that was running iOS 18 via TestFlight — and that one had no issues at all. Lesson learned: Always double-check the actual iOS version on physical devices
Topic: App & System Services SubTopic: General Tags:
Apr ’25
iPhone Camera issue
I recently updated both my phones iPhone 14 Pro Max and iPhone 16 Pro Max on iOS 18.1, and after update when I open camera and go to SLO-MO the screen starts flickering, even though after recoding when I play the video. Video is playing the same with the flickering screen. is it iOS update issue or something else.
1
0
549
Nov ’24
ESP32 USB-C to iPhone 16 USB-C communication
Hi everyone, I am seeking clarification regarding the communication capabilities between an ESP32 microcontroller and Apple's latest devices, specifically the iPhone 16 Pro Max and iPad Pro, both equipped with USB-C ports. Background: MFi Certification: Historically, establishing communication between external devices and iOS devices required MFi (Made for iPhone/iPad) certification. But I remember this being necessary in the Lightning Cable to USB era. With the introduction of USB-C ports in recent iPhone and iPad models, there is an indication that MFi certification may no longer be necessary for certain peripherals. Perhaps I'm not confident on the terminology here: https://mfi.apple.com/en/who-should-join Project Requirements: I am working on a sensor research project that necessitates the collection of low-latency time-series data from an ESP32 microcontroller, which features a USB-C port. The data needs to be transmitted to an iPhone 16 Pro
Replies
4
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0
Views
1.7k
Activity
Jan ’25
Reply to UITextField Input Issue While Using Bilingual Keyboard in iOS 18
The issue you described is interesting to me, yet I failed to reproduce the issue by running your project. Here is what I tried: Download your project, build it with Xcode 16.0 (16A242d), and run it on my iPhone 16 Pro Max simulator + iOS 18.0 (22A3351). Type 123456 in the text field (with black background) in your app. At step 2, I observe that the output is 1-2-3-4-5-6-. I also switched the system language to Korea, and made sure the Korea & English (US) keyboard was in the keyboard list in Settings, but the result was the same. Do I need to do anything to be able to reproduce the issue. Secondly, did you try to use textField(_:shouldChangeCharactersIn:replacementString:), instead of .editingChanged? The delegate method is designed for confirming or replacing an input, which I think fits your use case. Best, —— Ziqiao Chen  Worldwide Developer Relations.
Topic: UI Frameworks SubTopic: UIKit Tags:
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Views
Activity
Oct ’24
Reply to Delay in notifications iPhone 16 Pro iOS 18.3
I’ve been experiencing the exact same issue since I purchased my iPhone 16 Pro on launch day in September, and it has not been fixed despite all the iOS updates I’ve installed. I have an open case with Apple Support, but every time I call for an update, a new supervisor takes over and tells me the same thing: that this is a software issue. We’ve tried everything—factory resets (twice), network and general settings resets multiple times, collecting logs, sending screenshots and videos, verifying all app settings, making sure DND isn’t interfering, and countless other troubleshooting steps. Nothing has worked. I’ve asked for a replacement, but they refuse, claiming it’s not a hardware issue. However, given how many people are reporting this, I can’t help but feel that this is an inherent hardware flaw in some iPhone 16 models. The fact that Apple keeps pushing updates without fixing it is frustrating. I just wanted to share my experience in case a developer sees this and can
Replies
Boosts
Views
Activity
Feb ’25
Reply to iOS 26 BUG
hi guys Iphone 16 pro max IOS 26 Bugs: action button on top left dont have MUTE anymore . is that a bug ?. I cannot mute phone anymore as before by pressing 3 sec on action button . shortcuts and action doesnt give choice to have a MUTE / SILENT option as it used to be in IOS 18 from control center , the MOBILE data switch doent work . By pressing on it make is do nothing . I have to manually go to setting to activate MOBILE DATA ON . I have tried to go to restriction . It looks like it show as ACTIVE in setting : if I look at SEARCH and type: Imessage or message . message is nothing found again in setting , SEARCH doent find any words to get me to setting place as it worked on IOS 18. I have to browse manually something small lag when switching pages in MULTITASK on my IPad Pro A12Z. gaming under LOW POWER MODE make the graphics glitchy . fine when on normal power . was fine under IOS 18
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Views
Activity
Sep ’25
Reply to Crashing when going from Compact to Two Over Secondary in UISplitViewController on iPadOS 17
We are seeing the same error when trying to hide toolbar in a view inside NavigationSplitView on iPhone 16 Pro Max simulator running iOS 18. This crashes when rotating the phone to landscape when the view is open and toolbar hidden. We would sometimes want to hide the toolbar in compact mode, but haven't found a good solution yet. import SwiftUI enum NavigationDestination: Hashable, Codable { case home } struct ContentView: View { @State var columnVisibility: NavigationSplitViewVisibility = .all @State var navigationPath: [NavigationDestination] = [] @ViewBuilder var sidePanel: some View { VStack { Button(Home) { navigationPath.append(.home) } } } var body: some View { ZStack { NavigationSplitView( columnVisibility: $columnVisibility, sidebar: { sidePanel }, detail: { NavigationStack(path: $navigationPath) { ZStack {} .navigationDestination(for: NavigationDestination.self) { d in switch d { case .home: HomeView() } } } } ) } } } struct HomeView: View { var body: some View { VStack {
Topic: UI Frameworks SubTopic: UIKit Tags:
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Activity
Nov ’24
Reply to ESP32 USB-C to iPhone 16 USB-C communication
[quote='772812021, maxwendysh, /thread/772812, /profile/maxwendysh'] Is MFi certification still required for an ESP32 microcontroller to communicate with iPhone 16 Pro Max or iPad Pro via USB-C? [/quote] This is one of those places where iOS and iPadOS differ. On iPadOS you can use DriverKit to communicate with a custom USB device. That’s not an option on iOS. Both iOS and iPadOS support MFi, so you could build it that way. [quote='772812021, maxwendysh, /thread/772812, /profile/maxwendysh'] Do the iPhone 16 Pro Max and iPad Pro natively support serial communication over USB-C with microcontrollers like the ESP32? [/quote] Not in the way you’re looking for. Both iOS and iPadOS have built-in support for a wide range of USB classes, and device in that class appear are accessible via higher-level APIs: a PIV device is visible to the system via CryptoTokenKit, an audio device via our extensive audio API, and so on. However, the list of supported classes doesn’
Topic: App & System Services SubTopic: Hardware Tags:
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Activity
Jan ’25
Screen stays on after notification iOS 18 - 16 pro max
after my phone receives a notification, the screen stays on. i Waited 15 minutes and did not go off (fully lid) battery drained 5%. Always on display was set to OFF. Restarting the phone solved the issue, but home & loch screen has been my No..1 battery use since I have the iPhone 16 (2 weeks). never saw that app using battery in the previous 10 year of iPhone use. My new iphone 16 pro max does not appear to have much more battery life than my previous 12 pro max with battery cap at 83%
Replies
1
Boosts
0
Views
1k
Activity
Oct ’24
Reply to Apple Carplay iOS 18 and Toyota
This started happening to me 1 week ago. 2022 Toyota Rav4 XSE Hybrid, wired CarPlay, though I was using a bluetooth adapter for wireless CarPlay at the time. iPhone 16 Pro, iOS 18.2.1, though I was already running this when CarPlay went kaput. I drove the car to a store using CarPlay and Google Maps just fine, turned off the car for about 5 minutes, and ever since then, no CarPlay. I've removed the bluetooth adapter, tried many different USB cables directly, and nothing. My phone charges over USB no problem. I've tried all of the troubleshooting tips I can find, both on the iPhone and Toyota's infotainment system. Yes, I have turned it off an on again. My system is up to date according to the firmware page @GreenEagle posted, if you can call 2021 up to date. It's driving me bonkers, especially since I don't believe I've seen a single actual solution on the web. I didn't realize how much I rely on CarPlay until it stopped working.
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Views
Activity
Jan ’25
Reply to Can't change iPhone watch app complication picker app name
The name should be the bundle display name of the watchOS app, and I just confirmed that with the Transferring data with Watch Connectivity sample and the following steps: Download the sample and manage to run the app on my iPhone and paired Apple Watch. In the iOS Watch app, find the section name shown in the first screenshot in the original post, and confirm it is SimpleWatchConnectivity Watch App. In the Xcode project, find the Bundle display name entry in the Info.plist of the watchOS app, confirm that the value is SimpleWatchConnectivity Watch App as well. Change the value of the entry to SimpleWatchConnectivity, then run the app again. In the iOS Watch app, confirm that the section name is now SimpleWatchConnectivity, consistent with the new bundle display name. I tested with iPhone 16 Pro + iOS 18.4.1 and Apple Watch Serial 10 + watchOS 11.4(22T251). The project was built with Xcode 16.2 (16C5032a) on macOS 15.4.1 (24E263). If you see a different result with the same test, I'
Replies
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Views
Activity
May ’25
Reply to Issue with #Playground and Foundation Model
I'd like to be clear that the Foundation Models framework and #Playground do support iOS simulators, and I've confirmed that the code snippet provided above works with my following configuration, as shown in the attached screenshot: MacBook Pro with Apple M4 chip. macOS 26.0 Beta (25A5295e), Apple Intelligence is enabled and works. Xcode 26.0 beta 2 (17A5241o) The iOS simulator: iPhone 16 Pro (23A5276e) I can't explain why the error happens on your side though. One common-seen unsupported configuration is macOS 15.x + iOS simulator, which is not your case as you confirmed that you ran macOS 26 Tahoe. You can double check if your configuration has any difference from mine – I am on Beta 2, and your Mac with the M2 chip should work. If the the problem is still there, I’d suggest that you file a feedback report with a sysdiagnose, and share your report ID here. See this post for how to provide actionable feedback for the Foundation Models framework. Best, —— Ziqiao Chen  Worldwide Dev
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Views
Activity
Jul ’25
CarPlay not working on Apple iPhone 15 PRO MAX iOS 26
I have a FORD F250 2021. I returned for a deployment, and CarPlay does not work in my vehicle. I have tried all the YouTube, TikTok, Facebook, and Instagram videos I could find. They all actually started to repeat, so I decided to come here. My wife has an iPhone 16 Pro Max, and it connects to CarPlay without any issues. Other than all the social media suggestions, do you have any other suggestions? No, I am not ready to purchase a new device.
Replies
1
Boosts
0
Views
444
Activity
Sep ’25
Xcode 16 RC iPhone16 ProMax simulator status bar height is wrong
I am using Xcode 16 RC to debug an iPhone 16 app. The status bar height returned by iPhone 16 and iPhone 16 Pro is 54, while the height of the status bar returned by iPhone 16 ProMax is 44. Why is this? Here is the code I use: [UIApplication sharedApplication].windows.firstObject.windowScene.statusBarManager.statusBarFrame.size.height
Topic: UI Frameworks SubTopic: UIKit
Replies
1
Boosts
0
Views
1.3k
Activity
Sep ’24
Reply to io 18.2 email issue
Yes, I am seeing the same thing. I am running iOS 18.2 Beta 3, on an iPhone 16 Pro Max. I just noticed this was happening. It takes 4-5 min to download emails, if they download at all. This only happens when connected to WiFi. If I disconnect from WiFi, all of my emails load as they should (almost immediately). I checked my MBP at the same time, and the emails show in the mail app normally, while I get the Downloading X Messages showing on my iPhone. With regard to what @JoeyJK mentioned, I also see this. I open a email, and it looks blank because it is Downloading the content. I only displays the email after a very long time, unless of course, I disconnect from WiFi. Then the email loads immediately. Not sure what the connection to Wifi is. I have tried changing access points, cycling the Private Wifi Address and Limit IP Address Tracking on and off, and trying to download the emails with them both on and off. This is happening to iCloud, Gmail, and Outlook emails alike. What kind
Replies
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Views
Activity
Nov ’24
Reply to App Crashes on iPhone 15 Pro and iPhone 16 After App Store Installation
Update (belated but hopefully helpful): I originally posted this on January 26 and meant to follow up sooner — life got pretty busy with some personal situations, and it slipped through the cracks. I wanted to provide closure in case anyone else runs into something similar. After further testing, I discovered that the issue wasn’t with the app itself or with newer iPhone models. The root cause turned out to be a version mismatch. Both friends told me they were running iOS 18, but it turns out neither of them had actually updated their devices. They thought they had, but they were still on earlier versions — and those were the devices that were crashing. What made things especially confusing was that the app worked flawlessly on simulators for the same models, and I was comparing behavior against another friend’s iPhone 16 Pro Max that was running iOS 18 via TestFlight — and that one had no issues at all. Lesson learned: Always double-check the actual iOS version on physical devices
Topic: App & System Services SubTopic: General Tags:
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Activity
Apr ’25
iPhone Camera issue
I recently updated both my phones iPhone 14 Pro Max and iPhone 16 Pro Max on iOS 18.1, and after update when I open camera and go to SLO-MO the screen starts flickering, even though after recoding when I play the video. Video is playing the same with the flickering screen. is it iOS update issue or something else.
Replies
1
Boosts
0
Views
549
Activity
Nov ’24