bosch — AOP coprocessor
AOP panic occurring mainly during audio actions (volume at maximum). The iFixit wiki attributes the most frequent cause to the charging port flex, which routes the loudspeaker signal; a contributor on the Apple Developer Forums also recommends replacing this flex with a genuine part.
iPhone
Charging port flex (carries the loudspeaker signals)
Medium confidenceVerified sourceAOP coprocessor
First check
Reproduce by turning the volume up to maximum; look for signs of corrosion; test with a genuine / OEM-quality charging flex.