nRF52840 not advertising

[carl hong]

nRF52832 PCB designed by myself can work normally， change chip to nRF52840  not advertising(Phone can't scan)

[carl hong]

I've determined that it's a hardware design problem. The software is normal. Maybe it's an antenna problem

[Jared]

Again, i'm still not sure exactly what you're trying to do. Could do another attempt in explaining your problem? It seems that you have designed a nRF52832 based custom board and are now trying to change the IC with a nRF52840 on the same custom board. Please verify.