No URCs or Network Recovery After Wake-Up From Hibernate (CEREG:4 Stuck)

[jyijyi]

Can you enter AT command after asserting wake up pin?

Btw, you can have a look on this application note

HL78xx - Low Power Modes Application Note

BTW, does this issue relate to this thread?

Unexpected +KCELLMEAS URC prevents PSM from functioning properly

Yes, here is a log that shows psm works good without KCELLMEAS=1,10. I think the problem may not be the KCELLMEAS here, As you said here, something is waking up the module, and automatically I am getting kcellmeas after 10secs as it is expected according to the reference guides. I think the psm loop issue occurs because of my software, that doesn’t expect that much quick kcellmeas. The problem is that the first wake up by something we dont know ATM. +CEREG: 4,,,,,,"00001111","00001111" 3957…