M1 Mac synced with iPhone/iPad

iPhone/iPad connected to M1 Mac mini, iPhone/iPad apps cannot be used and installed from app store, I tried re-install iPhone/iPad OS, reset all, it does not work. iPhone/iPad cannot install apps from App Store even the Apple store/Apple support app. and app installed on iPhone/iPad cannot be used. This happens when iPhone/iPad connected to M1 Mac, then click "get started" on "Mac finder-locations-iPhone/iPad interface".

Mac mini, macOS 11.1

Posted on Dec 16, 2020 4:47 AM

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Posted on Jan 15, 2021 10:52 PM

There are several threads on this problem. This seems to be the latest, but I have one observation to make that I have not seen elsewhere which leads me to think that the trust permission allows the M1 Mac to do something unfortunate with the App store on the iPhone, rather than the apps themselves.


I noticed when my M1 MB Pro (11.1) and an iPhone XS (14.3) went through the trust process for the first time when I was syncing music, the App store stopped working properly. The offered updates to some apps commenced, seemed to complete then was reset as available. This was stuck in a cycle. Those apps that had finished updating would not launch. Apps which had not been updated continued to work normally.


This only happened after permission was granted for the phone and M1 Mac to trust each other. Prior to that moment the App store on the phone was working perfectly, happily offering and completing updates to apps that were perfectly well behaved after being updated.


My conclusion was that the M1 Mac was interfering with the App store app on the iPhone which in turn was corrupting the apps it was working with.


I erased and restored the phone from an iCloud backup and added the music content from the Music library which I had copied over to an Intel Mac to sync it to the iPhone. The XS had no contact with the M1 Mac. When all this was completed the phone was working perfectly again; the apps which had failed to launch were launching and usable.


Other posters have commented that Apple is working on this problem but for now the XS isn't going near the M1 Mac.

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73 replies

Jan 13, 2021 6:39 AM in response to CodeMonkeyZimbu

Hey CodeMonkey Zimbu.


I am so glad I saw your post. This same thing happened with me. I have the M1 MacBook Air and tried to sync a new iPad Pro to it. Same exact issue you reported having I had. We thought it was the iPad Pro and was about to get it sent back to get a new one. We restored many times and kept checking what the common denominator is and its only when we sync to the MacBook. We also have an iPhone 12 mini which we have not synced to the MacBook and works perfectly fine

Jan 19, 2021 4:30 AM in response to Joshua9809

I'm having exactly the same issue.


iPhone X started experiencing this issue in December, put it down to a recent iOS update and contacted Apple Support.

Work allowed me to use one of their iPhone 12s this week so I can use apps again and was working flawlessly until I synced it to my M1 MacBook.


Looking at the timeline and the other comments, it wasn't an iOS update - it was the same day I got moved all my files to my M1 Mac and synced it for the first time!


I'm waiting an update from Apple Support tomorrow but I'll mention this thread and see if there are any updates from them on it.

Jan 22, 2021 5:31 AM in response to Joshua9809

If you're unable to restore your device using iCloud, you can still sign into iCloud and the App Store to see your previously purchased apps. Simply redownload those from the purchased history in the App Store. There is no need for a manual sync.


Same for movies purchased through Apple, those sync automatically to your Apple TV App Library where you can redownload those. Do not sync manually from your Mac.


Same for books/PDFs. You can sync these via iCloud Drive from your Mac Finder to any other device using the same Apple ID. They would sync to the Files app on iOS devices. Do not sync manually from your Mac.

Feb 11, 2021 3:11 PM in response to waldemar272

Confirmed here as well. Big Sur 11.2.1 and iOS 14.4 / iPadOS 14.4 are working properly for me on my M1 MBP, iPhone 12 Pro Max, and iPad Air 2 respectively. Rebooted both devices, and tried relaunching several apps after the sync. All appears to be working properly.


Have not tried my iPad Pro or the iPhone 6 yet, but I assume they will also work. I'll post here if they do not.


I also noticed my M1 MBP is now showing properly on www.icloud.com as well as under appleid.apple.com (it was previously missing from iCloud.com).


Not sure if the fix was the Big Sur update to 11.2.1 (it's not mentioned in the release notes) or something on Apple's back-end related to my Apple ID, but either way, it's working!

Dec 19, 2020 11:59 PM in response to Joshua9809

I've been chatting with Apple Support as well. I'll let you know if they give me any more info.


I also discovered I was mistaken. The iPhone 6 is also failing. It's just that apps that were already open when you sync with the M1 Mac will continue to run properly, even if you close then, until you reboot the phone. So I thought it was working, but it actually isn't.


I found a few more people in these forums and on Reddit that are having the same problem. Hopefully if enough of us report it, Apple will issue a hot fix fairly quickly. They've got a lot riding on the success of the M1, so I suspect an issue with the M1 Macs essentially killing all the apps on the iPhone won't go unpatched for very long.

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M1 Mac synced with iPhone/iPad

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