iPhone loses Wifi when plugged into MBP 2019

Caporegime
Joined
21 Oct 2002
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Hi,

I have a iPhone 12 Pro on iOS 15.5, and i get this issue on two different wifi networks now.

The phone is connected to Wifi no problem but then when I plug the phone into a USB-C port on the Macbook (16" i7 2019, monterey 12.4) using the supplied iPhone cable the wifi drops and the iPhone goes to 4G.

Had a good google and no luck, any ideas? Plugging in the phone does start the photo import process, i quit photos and no help. As soon as i remove the USB wifi comes back immediately.

Any ideas please?
 
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