https://devzone.nordicsemi.com/f/nordic-q-a/34484/softdevice-functions-are-not-working-from-bootloaderHi there, I am trying to modify flashwrtire peripheral example code for uart bootloader, - I have used flash read write softdevice functions (sd_flash_read/sd_flash_write/sd_flash_page_erase) by adding softdevice handler. - flash read write operationsen-USTelligent Community 13Thu, 17 May 2018 13:21:10 GMThttps://devzone.nordicsemi.com/thread/132417?ContentTypeID=1Thu, 17 May 2018 13:21:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:44d63a9f-1b16-4e23-abb1-1ab2a4903fc4Andy<p>Did you flash the softdevice as well?</p><div style="clear:both;"></div>