https://devzone.nordicsemi.com/f/nordic-q-a/128652/nrf9151---external-flash-with-mcubootHello, Looking at the already opened questions, there seem to be some similar questions asked when migrating to the DTS partitions, but i haven't found the answer on specific combination (9151 with external flash and mcuboot on 3.4.0 release) We are usingen-USTelligent Community 13Tue, 14 Nov 2017 10:43:53 GMT