https://test-devzone.nordicsemi.com/f/nordic-q-a/87894/sending-amount-of-bytes-to-smartphoneHello, We are developing an application based on nrf52840. We have succefully made transactions with advertisment packets, including also Gatt service with read/write operations. Me and my colleague are thinking the optimal method about transferingen-USTelligent Community 13 Non-ProductionSat, 14 May 2022 12:32:28 GMThttps://test-devzone.nordicsemi.com/thread/367914?ContentTypeID=1Sat, 14 May 2022 12:32:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:48679c8e-8be5-4adc-b840-5d6399b7b601user14926<p>Hi,</p> <p>I would recommend you to have a look at the <a href="https://github.com/NordicPlayground/nrf52-ble-image-transfer-demo">nRF52 BLE Image transfer demo</a>. This shows how to transfer larger file from a DK to a phone, and it also includes <a href="https://github.com/NordicSemiconductor/Android-Image-Transfer-Demo">example application running on the phone side</a>.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>