https://devzone.nordicsemi.com/f/nordic-q-a/115636/systemoff---wakeup-delay-of-1sWe&#39;re experiencing up to 1s of delay between waking up from SYSTEMOFF mode and executing from main. The traces from PPK show when the wakeup is triggered from an external source (button) and a GPIO toggles on to show when main is executing code - thisen-USTelligent Community 13Fri, 18 Oct 2024 05:50:37 GMThttps://devzone.nordicsemi.com/thread/506812?ContentTypeID=1Fri, 18 Oct 2024 05:50:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:41449496-30e3-40d4-bccc-a1c9002320b8Turbo J<p>You have MCUBOOT enabled, which needs to run a couple of flash check(sum)s on every bootup.</p> <p>Try disabling that to check the actual wakeup timing.</p><div style="clear:both;"></div>