https://devzone.nordicsemi.com/f/nordic-q-a/99361/can-not-click-nrf5xprogrammingBecause I want to download softdevice ,so I need to erase the chip ,but the nrfgo studio cannot click nrf5x programming. Another question: As soon as my serial port is opened, I keep printing flash callbacks and my phone can&#39;t connect to Bluetooten-USTelligent Community 13Fri, 05 May 2023 12:53:15 GMThttps://devzone.nordicsemi.com/thread/423997?ContentTypeID=1Fri, 05 May 2023 12:53:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:51261ddf-2e74-4512-86af-1317ffdb5018Amanda Hsieh<p>Happy to help.&nbsp;</p> <p>-Amanda H.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/423915?ContentTypeID=1Fri, 05 May 2023 08:24:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f4c3a72b-73fa-43cc-9253-d58bafd91ba9Ren Jialu<p>Thank you,the problem has been solved</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/423819?ContentTypeID=1Thu, 04 May 2023 13:43:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e44922d7-3a75-4d45-b8db-a91ea53a680aAmanda Hsieh<p>Hi,&nbsp;</p> <p>nRFgo is deprecated. Please use<span>&nbsp;</span><a href="https://www.nordicsemi.com/Products/Development-tools/nRF-Connect-for-Desktop">nRFConnect for desktop</a><span>&nbsp;</span>to program images.&nbsp;</p> [quote user=""]my phone can&#39;t connect to Bluetooth[/quote] <p>Do you mean the phone cannot connect to the device? If so, is the device advertising? Can the phone see the device advertising?</p> <p>Please elaborate in more detail on how&nbsp;your<span>&nbsp;phone can&#39;t connect to Bluetooth.&nbsp;</span></p> <p>What SDK version and device are you using? Is it nRF51822?</p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>