https://devzone.nordicsemi.com/f/nordic-q-a/6017/dfu-download-error-with-sofdevice-110-v8-0-0Since we have some performance problems with sd110 V7.0.0, we tried a upgrade to v8.0.0. This version(8.0.0) with IC revision 3 solved our performance problems:). But a new problem arise with the boot-loader: Remote DFU error: REMOTE DFU OPERATION FAILEDen-USTelligent Community 13Thu, 12 Mar 2015 22:14:57 GMThttps://devzone.nordicsemi.com/thread/21046?ContentTypeID=1Thu, 12 Mar 2015 22:14:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e9b90a17-8512-4fb5-9bcb-71bcdd66e188Amund Gloms&#229;s<p>Thank you Matt, then the problem was the nearly the same as last time. I yest wonder where I lost my brain.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/21045?ContentTypeID=1Thu, 12 Mar 2015 21:48:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b40248ef-5397-47a3-a657-67037a606f0cMatt Barr<p>Hi Amund, your .dat file contains: ff ff ff ff ff ff ff ff 01 00 5a 00 3f 26</p> <p>I think 005A is the config ID for S110 V7.1.0. Try 0064, in other words: ff ff ff ff ff ff ff ff 01 00 64 00 xx xx</p><div style="clear:both;"></div>