USB-c adapter causes random WiFi disconnections

Originator:msroest
Number:rdar://46729155 Date Originated:2018/12/14
Status:Closed Resolved:Duplicate/46049225
Product:iPad Product Version:12.1.1
Classification:Bug Reproducible:Yes
 
Summary:
Whenever I have any usb-c to usb a adapter plugged in to use a hardwired keyboard.  The wifi will drop out after 5-10 minutes.  I’ve tried with multiple usb-c to usb-a adapters:
Amazon Basics (both usb-c to usb-a only and a usb-c to usb-a with hdmi and power passthrough)
Apple first party usb-c to usb-a/VGA/power pass through
Steps to Reproduce:
Connect a usb-c to usb-a adapter to the usb-c port of a 12.9” iPad pro 2018 and attache a hardware usb keyboard ofter 5-10 minutes the wifi connection will stop passing traffic.  It will still be conected and have a valid IP address but no apps/sites will work until unplugging the usb-c adapter. 

Expected Results:
WiFi continues to work.

Actual Results:
Connection drops out and although it will have a valid IP address it will not pass traffic/load sites until the adapter is disconnected.  Once disconnected traffic will instantly work again.

Version/Build:
iOS 12.1.1

Closed as duplicate of

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