https://devzone.nordicsemi.com/f/nordic-q-a/9620/adding-dfu-service-support-to-my-applicationI run step by step the example of adding DFU to ble_hrs, everithing runs fine. I try to change in the same way another example, ble_app_proximity. The problem is that, if i try to bond, the application goes in error handler. If i run the code withouten-USTelligent Community 13Thu, 08 Oct 2015 17:48:32 GMThttps://devzone.nordicsemi.com/thread/35558?ContentTypeID=1Thu, 08 Oct 2015 17:48:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a9e7ede9-a170-48c2-b449-b51026ff098cVStana<p>Thank you for your quick answer, the DEVICE_MANAGER_APP_CONTEXT_SIZE was set to 0. I changed it to 16 and now it works</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/35557?ContentTypeID=1Thu, 08 Oct 2015 06:25:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4a2e7343-d403-4ac4-b4f9-6b821b2bea1aVidar Berg<p>Unfortuantely, it looks like a couple of steps for implementation of the service changed are still missing from the documentation:</p> <ul> <li>Set the DEVICE_MANAGER_APP_CONTEXT_SIZE to 16 in DM config file. The application context is used to store the DFU_APP_ATT_TABLE_CHANGED flag</li> <li>Implement and use the app_context_load() as shown in the hrs dfu example</li> </ul><div style="clear:both;"></div>