https://devzone.nordicsemi.com/f/nordic-q-a/73879/s110-v7-1-0-sd_app_evt_wait-fails-after-second-call-on-custom-nrf51822I am testing an example from nRF SDK 7.2.0 on a custom board with nRF51822 QFAAH2 chip. This simple example is ble_app_template adapted for Segger, it should advertise and accept connections. I am required to use SoftDevice S110 v7.1.0 for this projecten-USTelligent Community 13Fri, 16 Apr 2021 08:31:14 GMThttps://devzone.nordicsemi.com/thread/305230?ContentTypeID=1Fri, 16 Apr 2021 08:31:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9c75de3d-359a-41be-94dd-36085872244dtyana<p>Redefined __SYSTEM_CLOCK in system_nrf51.c to a different frequency (32MHz unstead of 16) as per an engineer of the custom board manufacturer tip.</p><div style="clear:both;"></div>