https://devzone.nordicsemi.com/f/nordic-q-a/36315/updating-softdevice-from-s110-to-s130Hello , currently i am using nRF51822-QFAC device with SDK10.0.0 AND soft device S110 now i want to use S130 instead of S110 i updated but my device is rebooting continuously. memory configuration : boot loader : .icf /*###ICF### Section handleden-USTelligent Community 13Thu, 12 Jul 2018 11:16:03 GMThttps://devzone.nordicsemi.com/thread/139877?ContentTypeID=1Thu, 12 Jul 2018 11:16:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:799f39be-a3a7-4f8e-ae8f-9a22e4307e6bSusheel Nuguru<p>There seems to be an application already in your device. First eraseall and flash softdevice and flash the application. If the application flashing does not work still, then there is still mismatch between softdevice expecting app to start and the app start address in your project settings.</p><div style="clear:both;"></div>