I have managed to get an old OnePlus5T phone up and running with PostmarketOS and have hosted a couple of services there.
If it possible to charge and give Ethernet connection using those multi port extensions on a phone?
Thought I’d ask before investing in one as I am on a super tight budget.


Yes, but impossible to say if it’ll work for sure without testing. It depends on the phone, os, and driver for the chip in the dongle.
But I can personally say that I’ve been able to use them with my Pixel running GrapheneOS. I’ve even successfully used a usb-c Ethernet adapter with an iPhone.
This is also true for laptops BTW. I remember older Dell XPS laptops used to be super picky about USB-C dongles with
Not really, drivers for ethernet chipsets are OS-dependent. Any x86 laptop is going to implement USB correctly because the controllers are built into the CPU