https://devzone.nordicsemi.com/f/nordic-q-a/60669/long-start-up-delay-with-dfuHello, I have a project that seems to have a very long start-up/boot delay before jumping to the Application when the DFU is added. DFU is the BLE secure bootloader example project. It uses the GPRET method of entry. Both use the LF_SRC RC #defineen-USTelligent Community 13Mon, 27 Apr 2020 12:20:06 GMThttps://devzone.nordicsemi.com/thread/246819?ContentTypeID=1Mon, 27 Apr 2020 12:20:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b16bb05a-429d-4ab1-bef3-b0dd567d446bEinar Thorsrud<p>Hi,</p> <p>This is surprisingly long. What kind of boot validation do you use for application and SoftDevice (none, CRC, SHA256, ECDSA)? Have you modified the bootloader in any way?</p><div style="clear:both;"></div>