https://devzone.nordicsemi.com/f/nordic-q-a/14856/software-remote-write-methodDear Sir, When nRF51822 is a slave, it should be updated software through Master(Z-Wave CPU) remotely. How can we update SoftDevice software in nRF51822? UART, SPI, or I2C? Best regards,en-USTelligent Community 13Thu, 30 Jun 2016 07:37:58 GMThttps://devzone.nordicsemi.com/thread/56709?ContentTypeID=1Thu, 30 Jun 2016 07:37:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c9912a30-0e2b-4b78-a1b9-4a5d48a71f55tesc<p>Hi,</p> <p>Our DFU (Device Firmware Update) solution supports update over serial (HCI/UART) transport. See our <a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v11.0.0%2Fexamples_bootloader.html&amp;cp=5_0_0_4_3">DFU bootloader examples documentation</a>.</p> <p>Regards, Terje</p><div style="clear:both;"></div>