https://devzone.nordicsemi.com/f/nordic-q-a/111999/nrf52840-ble-communication-sequence-failureHello. I am developing a product equipped with BLE communication function using nRF52480. I am experiencing an issue where the BLE connection cannot be completed. [Environment] SDK: nRF SDK 17.1.0 SoftDevice: s140_nrf52_7.2.0 [Issue] Specifically, theen-USTelligent Community 13Wed, 12 Jun 2024 09:23:04 GMThttps://devzone.nordicsemi.com/thread/488453?ContentTypeID=1Wed, 12 Jun 2024 09:23:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:36276eba-76e3-4bf8-b310-aa00aa2763bcovrebekk<p>Hi&nbsp;</p> <p>Are you experiencing this issue on your own custom hardware?&nbsp;</p> <p>If so, have you had the hardware design (schematic and layout) reviewed by us to ensure it looks OK?&nbsp;</p> <p>Do you have a Bluetooth sniffer available (such as the <a href="https://www.nordicsemi.com/Products/Development-tools/nRF-Sniffer-for-Bluetooth-LE">nRF Sniffer</a>) in order to take a closer look at what is happening when the connection problems arise?&nbsp;</p> <p>Best regards<br />Torbjørn</p><div style="clear:both;"></div>