https://devzone.nordicsemi.com/f/nordic-q-a/94761/ncs-single-bank-dfuHi Is there a way to perform single bank DFU in NCS? If so, can it support OTA? Best regards, xfvcen-USTelligent Community 13Mon, 12 Dec 2022 13:29:29 GMThttps://devzone.nordicsemi.com/thread/400154?ContentTypeID=1Mon, 12 Dec 2022 13:29:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ea2c8a06-55fb-40b9-a57a-830f5e10009fovrebekk<p>Hi&nbsp;</p> <p>If you do serial DFU you can use the <a href="https://github.com/nrfconnect/sdk-mcuboot/blob/78fd7ff9f31d88b9119734965e2afdda0cb9689a/boot/zephyr/Kconfig#L62">SINGLE_APPLICATION_SLOT</a> configuration to do single bank DFU, but this will not work with BLE unfortunately.&nbsp;</p> <p>When doing OTA DFU using Bluetooth you will be using the application itself to download the new image into flash, which means you need dual bank support.&nbsp;</p> <p>Best regards<br />Torbjørn</p><div style="clear:both;"></div>