on 17-11-2020 13:00
I've just bought an Advent 3-in-1 USB C Hub to use with my Xperia 1 II phone.
I mostly bought it for the HDMI output, which is working fine - I can see the phone screen mirrored on a monitor via the HDMI cable.
But I was hoping I would be be able to use my USB external keyboard and mouse at the same time. The phone doesn't seem to recognise these when plugged into the USB A socket on the hub. Is there any way to fix that? Or is there an alternative way the phone can be connected to a wired monitor, mouse and keyboard at the same time?
I do also have an unbranded accessory which is a cable with a USB C plug on one end and a USB A socket on the other end. With that I can use a keyboard and mouse with the phone with no problem.
The same USB A socket on the hub does work for connecting a mouse to my laptop.
I spoke to someone at Currys who supplied the hub, and they weren't really able to gve me any concrete information.
on 17-11-2020 13:12
When the Hub is plugged in with a mouse the USB preferences thing comes up via the notifications. The problem might be related to it having "Connected dvice" selected in the radio buttons under "USB Controlled By:". If I tap the 'This device' option it says "Coudn't switch".
on 17-11-2020 14:16
However, accessory mode and display output are different modes so the Xperia, whilst using display output won't see the mouse connection.
For what you wish to do, I myself would look at Bluetooth for your keyboard and mouse.
I'm sure "some" hubs might have ways round what the phone is doing, but I honestly have no idea which ones could or would do it.