Slow charging OnePlus Nord

Hi,

I'm suspecting that I have a faulty USB-C port on my Nord, or at least some of the connections of the port.

Recently my phone started charging really slow, even with the Warp-charger, I have ruled out cable issue and power adapter issue as I've tried different ones. (Of course also checked for software related issues, but no luck).

Hence my suspiscion towards the port itself, would it be possible to have a guide showing this uploaded?

Or if anyone have experienced similar issue and resolved it differently, please let me know.

Cheers,

Markus W