https://devzone.nordicsemi.com/f/nordic-q-a/56775/could-not-find-serviceDear all, I am very new to BLE developments and Nordic product, I have purchased the nRF52840 dongle to have a feeling on the product ( I understand I should get the nRF52840 DK for development, and will purchase it later). Anyway, I tried uploadingen-USTelligent Community 13Tue, 21 Jan 2020 12:44:54 GMThttps://devzone.nordicsemi.com/thread/230073?ContentTypeID=1Tue, 21 Jan 2020 12:44:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:367ffdbd-ec8a-4576-95e1-280ea6115020yc1916<p>Hello, Sorry, I falsely pressed on the verify answer, I have tried your suggestions, however, I have the exact same result, I could see service in the advertisement but not in the attribute table.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/229994?ContentTypeID=1Tue, 21 Jan 2020 07:56:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c8efdf13-100e-4b7b-a591-9e72850598a9Amanda Hsieh<p>Hi Danny,&nbsp;</p> <p></p> <p>Could you use nRF Connect Programmer to write&nbsp;&lt;nRF5_SDK&gt;\examples\ble_peripheral\ble_app_hrs\hex\ble_app_hrs_pca10059_s140.hex?</p> <p>Also, close and reopen the app to scan and connect the device again.&nbsp;</p> <p>Please kindly let me know this can help or not. Thanks.&nbsp;</p> <p></p> <p>-Amanda H.</p><div style="clear:both;"></div>