Xcode 16 Beta 4 won't connect to my iPhones or iPad

Question

Created Jul ’24

Replies 3

Boosts 2

Views 1.3k

Participants 4

I recently upgraded my iPhone 13 PM to iOS 18 Dev Beta 4 and iPhone 11 PM to iOS 18 Public Beta 1 and now my Mac (on Sequoia 15 Beta) with Xcode 16 Beta 4 won't connect to my iPhone to build apps to. The iPhones won't even show up in the Devices and Simulators view. It shows up in Finder fine, though. I have already tried Clearing Trusted Computers from the phones and also unpairing the devices through Xcode, and now it won't even show up (previously it was telling me to enable developer mode on my iPhone which I already had, and I also disabled and enabled it several times to make sure it wasn't the issue)

my iPad on iPadOS 18.1 Beta also won't connect and also upgrading my Mac to MacOS Sequoia 15.1 Beta didn't help.

I was browsing the forums the other day and noticed that someone said you need to have the same exact build of iOS on the Xcode simulator runtime you have installed as the phone you are attempting to connect to, and I noticed a discrepancy between the versions:

Simulator: iOS 18.0 beta 4 (22A5316f) SDK + iOS 18.0 beta 4 (22A5316j) Simulator

iPhone 1: iOS 18.0 Beta 4 (22A5316k) iPhone 2: iOS 18.0 Public Beta 1 (22A5307i) iPad: iPadOS 18.1 Beta 1 (22B5007p)

The newest simulator runtime seems to be older than the iOS versions on my phones. What should I do? I don't even know if this is the issue though, so I would like help in any way possible.

Thank you so much everyone!

Boost

Answer 1

Carpebios OP

Jul ’24

Here the exact same problem, with 18.1 on the iPhone en Xcode 16 beta 4 on MacOS 15.1.

It's not getting the 18.1 runtime and therefore no device is showing.

1

Answer 2

gwtvanderheijden OP

Aug ’24

Same here. Tried a lot of things on the internet, e.g. clean install Xcode, install Xcode 16 beta 5, MacOS 15.1 Beta. Killed usbmux deamon etc. etc. All do not help. phones: iOS 18.0 Dev beta (22A5326f), iOS 18.0 beta (22A5316k). All not working. I would expect more people have this issue, not limited to us only.

Checking with Apple support, but no feedback received yet, only send all diagnostics of phone and MacBook.

0

Answer 3

Developer Tools Engineer OP

Apple

Aug ’24

you need to have the same exact build of iOS on the Xcode simulator runtime you have installed as the phone you are attempting to connect to

This is not a true statement. Xcode will use the associated simulator runtime (ie: the runtime that matches the SDK it contains) to compile nibs and asset catalogs for your app, but beyond that, the simulator is not related to running on device.

won't connect to my iPhone to build apps

Let's focus on the problem now rather than that bad advice. If you're still in this state, can you provide the output of xcrun devicectl list devices? That will list the devices that CoreDevice is aware of. CoreDeivce is the system underneath Xcode that it uses to discover and interact with your devices. If the device isn't seen there, it's possible that your mac and the device are not paired. Try disconnecting and reconnecting the USB cable which will re-trigger the trust prompt if it had been previously dismissed.

If you still have issues after those steps, please collect an xcrun devicectl diagnose tarball after connecting your device and file a radar. It will be even more useful if you can first enable debug logging with our logging profile (see https://developer.apple.com/bug-reporting/profiles-and-logs/?name=CoreDevice)

0