iPhone 17 Pro Max not detecting lavalier microphone

Hi there

Please try this to see if you can fix this issue

• Inspect and Clean the USB-C Port: Dust, lint, or debris in the iPhone 17 Pro Max USB-C port can block data and audio pins. Carefully clean the port using a soft, non-metallic brush or dry toothpick (avoid metal tools). [1]
• Check App Audio Support: The default iOS Camera app does not always support external microphones. Test the lavalier microphone in a third-party recording app that allows manual audio source selection (such as Blackmagic Camera or Filmic Pro). 
• Reset USB Audio Accessories: If the iPhone is misinterpreting the microphone or adapter, go to Settings > Sounds & Haptics > Headphone Safety > USB Audio Accessories and select "Forget All USB Audio Accessories," then reconnect the mic. 
• Check Wired Accessory Permissions: Go to Settings > Privacy & Security > Wired Accessoriesand make sure it is set to "Always Allow". 
• Force Restart Your iPhone: Press and quickly release Volume Up, press and quickly release Volume Down, then press and hold the Side/Power button until the Apple logo appears. 

WheelieNick wrote:

Hi there

Please try this to see if you can fix this issue

Inspect and Clean the USB-C Port: Dust, lint, or debris in the iPhone 17 Pro Max USB-C port can block data and audio pins. Carefully clean the port using a soft, non-metallic brush or dry toothpick (avoid metal tools). [1• ]

Nick

As a senior contributor here, you really should be careful when re-posting material that you glean from Google or other AI sources - as they frequently contain errors and inaccurate information.

By example, the USB-C port has no audio connection pins. The interface is digital; for microphone input, or audio output, either a USB-C adapter with a built-in ADC/DAC is required, or the connected accessory must itself incorporate the appropriate electronics.

If you do post material from AI aggregators, it's also a good idea to provide attribution to the source.

The lavalier microphone has a Type‑C adapter, and the iPhone doesn’t detect it. Nothing from the instructions helped. In the settings — sound — the iPhone microphone is set to be used automatically when the lavalier microphone is connected. My iPhone doesn’t detect it. But the lavalier microphone works on other iPhones.