https://devzone.nordicsemi.com/f/nordic-q-a/4926/i-can-t-not-run-iot-example-on-nrf6310dear all: I have 2 kind of board that are PCA10006 and PCA10028, but I find out the IoT example can&#39;t be run on PCA1006, what are different between PCA10006 and PCA10028? IoT example: ..\nrf51\examples\iot\ipv6_coap_clienten-USTelligent Community 13Sun, 28 Dec 2014 11:45:39 GMThttps://devzone.nordicsemi.com/thread/17388?ContentTypeID=1Sun, 28 Dec 2014 11:45:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c2320b94-0b9f-43f9-8dba-441161399702Zoltan<p>Hi Chao,</p> <p>The new nRF51 Development Kits (PCA10028) have a new nRF51422 chip variant with 256 kB FLASH and 32 kB RAM. The nRF51422 chips on the PCA10006 boards have only 16 kB RAM.</p> <p>Only selected examples in the nRF51 IoT SDK work with the old version of the nRF51822 Development Kit.</p><div style="clear:both;"></div>