https://devzone.nordicsemi.com/f/nordic-q-a/38334/app-softdevice-assertion-failedI used SDK15 and ble_app_uart_c. I start a UART timer sending and start a LED timer. There is a probability of app: SOFTDEVICE: ASSERTION FAILED in the process of running. app: SOFTDEVICE: ASSERTION FAILED. uart sending ........... uint8_t nb_NetworkChecken-USTelligent Community 13Tue, 11 Sep 2018 16:10:41 GMThttps://devzone.nordicsemi.com/thread/148270?ContentTypeID=1Tue, 11 Sep 2018 16:10:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8bbe2d57-0e91-4832-8366-548edabeba00john.liu<p>Thank you for your support.but&nbsp;I think there may be other issue.Being tested......</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/148257?ContentTypeID=1Tue, 11 Sep 2018 15:15:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5e443ea0-63e0-43e8-a800-6165f79cdf3aMttrinh<p>Hi,</p> <p>So it works fine when you close either of them? Which timer do you use?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/148064?ContentTypeID=1Mon, 10 Sep 2018 14:22:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9d8c4501-bf7f-4f01-878b-d7e74ec765f1john.liu<p>The probability of this issue is relatively low.</p><div style="clear:both;"></div>