https://devzone.nordicsemi.com/f/nordic-q-a/46296/nrf52832-adv-with-37-channel-use-sdk15-0hello, Now i want to adv only with 37 channel, i want to use SDK15.0. i add m_adv_params.channel_mask[x] in advertising_init() as: static void advertising_init(void) { uint32_t err_code; ble_advdata_t advdata; uint8_t flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED;en-USTelligent Community 13Thu, 25 Apr 2019 08:00:14 GMThttps://devzone.nordicsemi.com/thread/183670?ContentTypeID=1Thu, 25 Apr 2019 08:00:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:698b2b64-beeb-4449-90c9-5174f2587d9cliu<p>Yeah, that is the reason. Thanks.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/183426?ContentTypeID=1Wed, 24 Apr 2019 11:47:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7f7d0548-0b17-4524-a0cd-f9a92ff6ff4arun_ar<p>Hi,</p> <p>Please check that you do not memset the struct after configuring the wanted advertisement channel(s)</p><div style="clear:both;"></div>