sometimes my board cannot be resethttps://devzone.nordicsemi.com/f/nordic-q-a/18594/sometimes-my-board-cannot-be-resethi,I got a very strange phenomenon when our board begin a mass production.Here is some details: 1.Our board use a 4.2v lithium battery;and we have downloaded our firmware in 300 piece chips. 2.Then we found 30 boards which cannot reset by nrfgoen-USTelligent Community 13Tue, 27 Dec 2016 15:56:18 GMTRE: sometimes my board cannot be resethttps://devzone.nordicsemi.com/thread/71753?ContentTypeID=1Tue, 27 Dec 2016 15:56:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3594786b-d8f5-4c03-825e-2358248786d5Hung Bui<p>Hi DonWoo,</p> <p>This issue happens only once (you power reset it and it never happens again) or it some times occurs again ?</p> <p>Note that right after programming, the device will retain in debugging mode and the reset pin won&#39;t able to reset the chip.</p><div style="clear:both;"></div>RE: sometimes my board cannot be resethttps://devzone.nordicsemi.com/thread/71752?ContentTypeID=1Tue, 27 Dec 2016 02:30:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3c3d4f8f-a5f4-4920-9fcb-13b0d4f86507DonWoo<p>hi，we are using nRF51822.</p><div style="clear:both;"></div>RE: sometimes my board cannot be resethttps://devzone.nordicsemi.com/thread/71751?ContentTypeID=1Mon, 26 Dec 2016 04:07:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:143b62b8-b137-4b79-9871-619ff21b0bcaRoger Clark<p>Which device are you using e.g. nRF51, or nRF52 etc</p><div style="clear:both;"></div>