u/Helpful_Quality6316

Hi there, this is my first time designing a PCB board without it being a motherboard of some dev boards. I have a basic foundation in sensors in circuits, mostly transitioning from the software side. I have been using Claude Code to connect the SIM7670G modem to a MAX98357A amplifier, including a slot for a SIM card.

Please help take a look and tell me if there are any obvious errors? Will edit as needed for more context. Thank you!

https://preview.redd.it/qztd1f18nf2h1.png?width=2888&format=png&auto=webp&s=80b22f3812926f11c63f52ee4a845d76964bc40f

https://preview.redd.it/f05vxg18nf2h1.png?width=2040&format=png&auto=webp&s=a777fea42f8c80ed4cce7ac579da367fd11c02d3

https://preview.redd.it/f0ds4h18nf2h1.png?width=2592&format=png&auto=webp&s=3c2ad745a1aee538190432c4ddff80725f933274