dart — AOP coprocessor
DART error related to the AOP. Only one documented case (iPhone 11): despite a new charging port and power flex, the restarts (Prs0 and AOP/DART) stopped when a Taptic Engine that no longer vibrated was removed.
iPhone
Undetermined — isolated case: faulty Taptic Engine
Low confidenceVerified sourceAOP coprocessor
First check
Check that the Taptic Engine works; boot with the Taptic disconnected and observe.