https://devzone.nordicsemi.com/f/nordic-q-a/7927/do-i-need-device-managerHi i started some time ago with building a simple peripheral device, and started form the led-button service example. In there, device manager was not used. However, in most of the examples, device manager is used. I do not need any bonding, or evenen-USTelligent Community 13Tue, 21 Jul 2015 12:43:29 GMThttps://devzone.nordicsemi.com/thread/28333?ContentTypeID=1Tue, 21 Jul 2015 12:43:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:baab56f3-acfe-4491-8fd2-308fe948a0fbSusheel Nuguru<p>perfect, now that you added this info here, it is visible for others who seek for information. Thank you.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/28332?ContentTypeID=1Tue, 21 Jul 2015 12:29:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5ef81330-19fb-43d0-b572-f167f88601c0wim<p>Hi Aryan,</p> <p>This answer indeed helped. But it is important to note that, if you use buttonless DFU, some calls or defines are used by the dfu_app_handler, such that you do need to include the device_manager_peripheral.c into your project, and add sdk+&quot;components/ble/device_manager&quot; and sdk+&quot;components/ble/device_manager/config&quot; to the include directories.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/28331?ContentTypeID=1Tue, 21 Jul 2015 12:05:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:146944b8-2911-4057-9cc4-f9150d27b378Susheel Nuguru<p>wim, could you please update this thread with latest info, if this answer helped you then please click the ✓ to the left of the answer so that others can come and look here.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/28330?ContentTypeID=1Tue, 30 Jun 2015 17:00:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:22487947-a684-4962-b2fb-c9fa3e7e3ed1Susheel Nuguru<p>If you do not need paring, bonding and other security then you can just ignore this module.</p><div style="clear:both;"></div>