A phone or tablet problem starting right after an OS update, a new case/accessory or a restored backup should be checked against that change first. For iPad Magic Keyboard connection, first remove/reseat the iPad, inspect dry contacts and test keyboard plus trackpad in Notes.
What this covers
- iPad Magic Keyboard connection with this exact failure state
- Diagnosis across keyboard/case alignment versus iPad software, connector contamination and hardware
What it does not cover
Try in this order
0 of 4 completedCapture the exact failure state
ReversibleNote the exact update version, accessory or backup date, and confirm the feature worked immediately before it. Expected behavior: maintain Smart Connector power, key and trackpad input without Bluetooth pairing.
Isolate the component boundary
ReversibleRemove/reseat the iPad, inspect dry contacts and test keyboard plus trackpad in Notes. Test with the new accessory removed, or check the update's known-issues note for the exact symptom. Boundary to separate: keyboard/case alignment versus iPad software, connector contamination and hardware.
Correct only the proven cause
ReversibleUpdate iPadOS, remove interfering cases or service the proven keyboard/iPad connector. Reset the one setting the update changed, or replace the incompatible accessory.
Verify and stop safely
ReversibleConfirm normal operation with the change present for one full day of typical use. Stop for bent contacts, liquid, heat or battery swelling in powered accessories.
Evidence ledger
Sources behind this answer
Exact questions