Changing softdevice from S140 to S340

Changing softdevice from S140 to S340https://devzone.nordicsemi.com/f/nordic-q-a/80216/changing-softdevice-from-s140-to-s340Hello, In continuation to the ticket: https://devzone.nordicsemi.com/f/nordic-q-a/70795/replacing-s140-with-s340-softdevice I'm trying to switch between S140 and S340 bases apps. When I try to reverse change the SD and App. from S340 to S140. en-USTelligent Community 13Mon, 04 Oct 2021 13:11:54 GMTRE: Changing softdevice from S140 to S340https://devzone.nordicsemi.com/thread/332362?ContentTypeID=1Mon, 04 Oct 2021 13:11:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3c8fad31-413c-4a1a-ab2b-029e29915110Vidar Berg<p>Hello,</p> <p>You must disable NRF_DFU_APP_DOWNGRADE_PREVENTION in your bootloader if you want it to accept downgrades (e.g. going from Softdevice version 7 -> 6).</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>