https://devzone.nordicsemi.com/f/nordic-q-a/12557/dfu-ota-application-in-s310-crc-errorHello. I have problems uploading with DFU OTA any application. For this case, I am using &quot;dual_bank_ble_s310&quot; example. First of all, I put this memory&#39;s configuration in Keil (any problem loading application with USB): IROM1: 0x1D000 ; 0x23000en-USTelligent Community 13Tue, 15 Mar 2016 14:29:12 GMThttps://devzone.nordicsemi.com/thread/47660?ContentTypeID=1Tue, 15 Mar 2016 14:29:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9a699742-6535-4d28-befd-39cd3f7e4279Hung Bui<p>Hi Rubende,</p> <p>Please provide more information on the SDK version, the hardware board, the chip version you used.</p><div style="clear:both;"></div>