Usb0 Interface not showing

Hi, I am using an Archer C7 V2 and I am attempting to tether my iPhone hotspot to the router through usb and then output it from the router via Ethernet. However when I go to setup my interface DHCP usb0 is not available

OpenWrt doesn't come with the necessary usb kernel modules by default, you need to install them: https://openwrt.org/docs/guide-user/network/wan/smartphone.usb.tethering

I already did that and it still doesn’t work

Hi and welcome Khori. Please read the manual carefully. Since you're using a IPhone, there should be no usb0 interface (it should be an eth0 interface). It's all written in the manual. Also we can't help you if you don't provide the details. Tell us which steps you exactly did, and post the system logs so we know what your router is reporting (that's also described in the same manual).