This is why I recommend buying this setup, because knocking off the WiFi/BT controller is easier than installing the GPIO pins.
Re: this model, unlike the 1.3, comes with a WiFi/BT chip that is easily disabled.
You need to have the right pins, they come with the hammer jig.
https://shop.pimoroni.com/products/gpio-hammer-header?variant=35643318026
Discussion
Already have 1.3 in hand.
Yeah definitely use it, I just wanted to put out the information in case you plan to build another or recommend to a friend 🫂🫡
Best way to build your own SeedSigner is to start with purchasing this 16$ Raspberry Pi setup ✅