jks

Antonio's excellent blog has information that WINB may indeed carry data on the LSB portion of the signal: http://i56578-swl.blogspot.com/search?q=winb

Changing the external SMPS is fine. But there is another issue that is more difficult to deal with. The use of internal DC-to-DC converters (that are also SMPS) directly on the PCB of the device.

These days it seems a lot more devices, including PC motherboards, are powered with higher voltage from the primary supply. Then high-efficiency "point of load" DC-to-DC converters are used right at the consuming load. In the case of your router the external SMPS is now 12V instead of 5V and there is almost certainly a 12V-to-3.3V (or even less) converter internally (chips don't run on 5V these days and in many cases don't run on 3.3V either except maybe for I/O).

The "-s" in "curl -s" (silent mode) is preventing us from seeing any error message if the connection is failing.
What happens if you do:

ping 50.116.2.70

versus
ping kiwisdr.com

I'll bet this is a problem with DNS not working with WiFi for some reason (router configuration problem?)

The build count has stabilized at 204. So Seeed seems to have built the promised 200 units plus a few spares.

I'm only guessing here, and I don't mean to show favoritism towards particular distributors, but my bet would be ML&S (UK) and WiMo (DE). I wouldn't order from Mouser (USA) until they show units in stock (they had an issue earlier in the year with not filling a large backorder in the correct queue order).

As of this morning the total count of Kiwis that have been through factory final test since Aug 19 is 186. So depending on the delay shipping to the distributors we shouldn't have to wait much longer now.