https://devzone.nordicsemi.com/f/nordic-q-a/19343/dual-bootloader-ble-uartHi, I am using Nordic SDK9.0.0 and softdevice S310. I want to develop dual bootloader(UART + BLE). I have problem after merge both bootloader. Induavidual example running fine. Case 1: Base Code BLE Bootloader and add UART Bootloader fileen-USTelligent Community 13Wed, 01 Feb 2017 11:41:37 GMThttps://devzone.nordicsemi.com/thread/75037?ContentTypeID=1Wed, 01 Feb 2017 11:41:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:82c2f5e6-e4e9-42d0-9680-d8c727d956c2bjorn-spockeli<p>Its hard to say without looking at the code and doing some testing. Could you upload the project folders for the two projects you mention?</p><div style="clear:both;"></div>