@kiwibird1 Relating to the output of the program with the network info.
Edited to add: your RSSI value is not so great either. 72 is on the verge of not so good.
I went to the TI site to get the latest for myself and only 1.28 has been released. Not sure if that is ok or not ok running with the 1.29 version. I also have no experience on reverting versions. Not sure if anyone else has done that or not.
I am experiencing the same locked up scenario even with my core 2 feet from the router. I think it is more related to the TI firmware problems. Everyday it is always one of three scenarios: CFOD with no reset, CFOD then auto resets, and frozen user loop breathing cyan. I also only experience these lock ups if I am sending / receiving UDP packets. (I haven't tried with tcp yet). Point being that if I am using the network functionality which attracted me to the spark core I can't run for a full day. If I flash a program that does no network activity I can stay up with no problems. However, the great thing though about this community is the ecosystem is bigger than being off on your own. With so many people doing such diversified projects we can all help each other finding and fixing problems. Which is why I am sticking with the spark core through the frustrations.