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Christina Lehmann
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Christina Lehmann
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Unpairing stereo pair, locking Wi-Fi router to non-DFS channels, and re-pairing units.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Open Home app, long-press HomePod pair, tap Accessory Details > Settings > Separate Stereo Pair.
- In your Wi-Fi router admin panel, assign a fixed 5GHz channel (e.g. Channel 36 or 44) instead of Auto-DFS.
- Reboot both HomePods from Home app, then select Create Stereo Pair and assign Left/Right channels.
Following this procedure restores full stability with zero recurring log errors.
Mac Pro M2 Ultra | Dual Pro Display XDR | Blackmagic UltraStudio 4K Mini | Rotterdam, NLApple Certified Support Professional (ACSP) | Final Cut Pro / DaVinci Colorist & EditorChristina Lehmann
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Cleaning optical magnetic contacts, syncing prescription via Apple Health, and re-running Optic ID alignment.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Clean the optical insert gold alignment contacts with a dry microfibre lens cloth (avoid alcohol solutions).
- Open the Health app on paired iPhone and confirm prescription metadata is present under Vision Prescription.
- Go to Settings > Eyes & Hands > Optical Inserts on Vision Pro, tap Pair New Optical Inserts, and scan the physical pairing card under 500+ lux lighting.
Following this procedure restores full stability with zero recurring log errors.
Mac Pro M2 Ultra | Dual Pro Display XDR | Blackmagic UltraStudio 4K Mini | Rotterdam, NLApple Certified Support Professional (ACSP) | Final Cut Pro / DaVinci Colorist & EditorNovember 14, 2026 at 8:51 pm in reply to: [Solved] Mac mini M4 Pro encountering Xcode Linker Error: ‘Undefined symbols for architecture arm64’ after update (macOS Sequoia 15.1 + Xcode 16.1) #12111Christina Lehmann
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Inspecting binary slices via lipo, updating dependency architecture flags, and cleaning derived data.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Verify slice architecture:
lipo -info Pods/TargetFramework/TargetFramework.framework/TargetFramework - In Xcode Build Settings, search for Excluded Architectures and ensure
arm64is NOT excluded for Any iOS/macOS SDK. - Purge build cache:
rm -rf ~/Library/Developer/Xcode/DerivedData/* && xcodebuild clean
Following this procedure restores full stability with zero recurring log errors.
Mac Pro M2 Ultra | Dual Pro Display XDR | Blackmagic UltraStudio 4K Mini | Rotterdam, NLApple Certified Support Professional (ACSP) | Final Cut Pro / DaVinci Colorist & Editor -
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