52840 background to upgrade with ble combine uart

52840 background to upgrade with ble combine uarthttps://devzone.nordicsemi.com/f/nordic-q-a/93623/52840-background-to-upgrade-with-ble-combine-uarthi I use nrf52840 with SDK17.1. 1.How to DFU via ble combined uart in the same application?I have sdudied a few of tickets ,example https://devzone.nordicsemi.com/f/nordic-q-a/72015/official-ble-and-uart-combined-dfu-bootloader, but I still confuseden-USTelligent Community 13Mon, 07 Nov 2022 12:39:10 GMTRE: 52840 background to upgrade with ble combine uarthttps://devzone.nordicsemi.com/thread/394410?ContentTypeID=1Mon, 07 Nov 2022 12:39:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c00bed86-2046-429a-9aaa-9c273c66a6aaHung Bui<p>Hi Li, </p> <p>1. What kind of issue you have when you combine the two transport ? </p> <p>2. We don't have an official example for background DFU. It's possible to do so though. Please have a look at <a href="https://devzone.nordicsemi.com/f/nordic-q-a/46994/background-dfu-application-source-code/187534#187534">this</a>.</p><div style="clear:both;"></div>