Questions about Huawei B315

Operating instructions: https://www.bedienungsanleitu.ng/huawei/b315s-22/anleitung?p=13 Firmware update: via the setup page of the unit

Yes, these are Gigabit Ethernet connections.

No, the ports are not PoE

Yes.

99.9% sure that it does not work. I googled for safety's sake and didn't find a positive answer. Why not with a USB stick?

If WAN via Ethernet is available, the connection via cable is selected, if only mobile radio is available, this is selected.

normal or micro with an adapter

Yes, clearly visible here in the Huawei picture gallery: http://consumer.huawei.com/en/smart-home/lte-router/gallery/b315-en.htm It would be good if Digitec would always take all the pictures from the manufacturer's site.