>These PCBs are very dense. The traces and even vias are buried below the surface You are so out of touch, PCB repair is very common. This is just one example

>These PCBs are very dense. The traces and even vias are buried below the surface You are so out of touch, PCB repair is very common. This is just one example of via/pad repair: https://rewa.tech/iphone-12-pro-max-not-booting/ https://rewa.tech/iphone-12-pro-max-not-booting/ The whole repair industry in China is really insane. >The repair process for a modern phone involves swapping salvaged parts on to salvaged PCBs. This is always the case, but there is difference between swapping the whole camera module and just swapping the camera lens. Hell they even use fiber laser to fix stripe line screen.