https://devzone.nordicsemi.com/f/nordic-q-a/2508/j-flash-flasher-armHi I try to program my custom board using J-flash and Flasher ARM ( for production ). Attached my J-flash configuration. Connection with device is successful established but when i want to program hex or to erase chip, soft return the followingen-USTelligent Community 13Thu, 15 May 2014 08:55:55 GMThttps://devzone.nordicsemi.com/thread/10054?ContentTypeID=1Thu, 15 May 2014 08:55:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e4f6be89-73ad-445d-8d0a-825adf45ab82thomas<p>Ok it was an hardware issue</p> <p>Thanks</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/10053?ContentTypeID=1Thu, 15 May 2014 08:00:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:749024ec-705c-415e-8cb8-95e847b8a950thomas<p>Hi, Same issue...</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/10052?ContentTypeID=1Wed, 14 May 2014 14:58:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b7d56c30-eb9c-4912-8cda-581058111d86Hung Bui<p>Hi Thomas, I found that you used pretty slow SWD speed (5kHz) could you change it to 2000kHz for both before and after init option and let me know the result ?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/10051?ContentTypeID=1Tue, 13 May 2014 11:24:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:29bbc1e3-6472-41ff-a3ee-59fcbf107c75Nguyen Hoan Hoang<p>I find that segger software is very buggy and unreliable. I found the only one works all the time for me is the jflashlite.exe. You can download it from segger website.</p><div style="clear:both;"></div>