crwdns2934241:0crwdne2934241:0 Ben

crwdns2934249:0crwdne2934249:0:

Chances are the audio chip on the board needs to be replaced.

Requires board level repair / someone that does microsoldering from a reputable repair shop to get the chip replaced

Audio chip commonly caused Apple logo boot loop and the other audio issues you have specified above.

Reputable shops are the one that offer a no fix no fee model.

crwdns2915684:0crwdne2915684:0:

open