I have bought two SARA AFF R412M boards.
One is working well, the other too since i do not insert a SIM-Card.
When inserting the SIM and running the passthrough example sometimes i get answers from the module and somtimes not, it seems that the processor is too busy to answer my requests.
It also seems that the module is rebotting by itself because when i, for example set:
I get immedatiely after
but after a while i get
I also checked the firmware on the module on both i find:
Any hints what else i can check?