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Theo Moore
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November 14, 2026 at 11:28 pm in reply to: [Solved] How to fix Apple Pencil Pro Squeeze & Hover Gesture Failure caused by Digitizer sensor BLE calibration handshake desynchronization on iPad Air 11″ M2 #14538
Theo Moore
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Forgetting Bluetooth device, cleaning magnetic inductive strip, and recalibrating Squeeze threshold.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- In Settings > Bluetooth, tap (i) next to Apple Pencil and select Forget This Device.
- Wipe magnetic charging edge of iPad and flat edge of Apple Pencil with microfiber cloth.
- Force restart iPad (Vol Up, Vol Down, hold Top button). Re-attach Pencil to recalibrate.
Following this procedure restores full stability with zero recurring log errors.
Mac mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Porto, PTApple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP)November 14, 2026 at 11:12 pm in reply to: [Solved] Mac mini M4 Pro encountering Xcode Linker Error: ‘Undefined symbols for architecture arm64’ after update (macOS Sonoma 14.7 + Xcode 16.0) #14286Theo Moore
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 mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Porto, PTApple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP)November 14, 2026 at 11:11 pm in reply to: [Solved] Apple Pencil Pro Squeeze & Hover Gesture Failure on iPad Pro 11″ M4: How to resolve Digitizer sensor BLE calibration handshake desynchronization #14260Theo Moore
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Forgetting Bluetooth device, cleaning magnetic inductive strip, and recalibrating Squeeze threshold.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- In Settings > Bluetooth, tap (i) next to Apple Pencil and select Forget This Device.
- Wipe magnetic charging edge of iPad and flat edge of Apple Pencil with microfiber cloth.
- Force restart iPad (Vol Up, Vol Down, hold Top button). Re-attach Pencil to recalibrate.
Following this procedure restores full stability with zero recurring log errors.
Mac mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Porto, PTApple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP)November 14, 2026 at 10:36 pm in reply to: [Solved] Apple Vision Pro 1TB encountering Persona Eye Tracking and Facial Expressions Drift after update (visionOS 2.1) #13654Theo Moore
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Re-calibrating eye tracking geometry, re-capturing Spatial Persona, and ensuring proper Light Seal seal.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Remove Light Seal and inspect internal infrared illuminator lenses; clean gently with Apple microfiber cloth.
- Navigate to Settings > Eyes & Hands and select Recalibrate Eye Tracking.
- Follow the multi-dot gaze target calibration keeping your head perfectly stationary until three confirmation chimes sound.
Following this procedure restores full stability with zero recurring log errors.
Mac mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Porto, PTApple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP)November 14, 2026 at 10:13 pm in reply to: [Solved] iPad Pro 13″ M4 Apple Pencil Pro Squeeze & Hover Gesture Failure (iPadOS 18.0.1) – Verified Troubleshooting #13218Theo Moore
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Forgetting Bluetooth device, cleaning magnetic inductive strip, and recalibrating Squeeze threshold.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- In Settings > Bluetooth, tap (i) next to Apple Pencil and select Forget This Device.
- Wipe magnetic charging edge of iPad and flat edge of Apple Pencil with microfiber cloth.
- Force restart iPad (Vol Up, Vol Down, hold Top button). Re-attach Pencil to recalibrate.
Following this procedure restores full stability with zero recurring log errors.
Mac mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Porto, PTApple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP)November 14, 2026 at 8:44 pm in reply to: [Solved] Mac mini M4 Pro encountering Thunderbolt 4 SSD Speeds Throttled to USB 3.0 after update (macOS Sequoia 15.1) #12015Theo Moore
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Verifying certified 40Gbps active cables, resetting Thunderbolt kernel extensions, and enabling TRIM.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Verify cable has official Thunderbolt 4 lightning bolt and ‘4’ logo. Charging cables will not negotiate PCIe.
- Reset bus enumeration:
sudo killall -9 diskarbitrationd. - Enable APFS TRIM support:
sudo trimforce enable.
Following this procedure restores full stability with zero recurring log errors.
Mac mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Porto, PTApple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP) -
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