# File transfer File transfer between the device and a PC is needed to upload an updated version of the application or download logs from a device for analyse. {% hint style="info" %} Typically there is /boot/ICU directory on the SD card that is also visible in Windows. This directory is used in Windows to copy the files to the SD card in case e.g. new configuration is needed. The directory is also accessible for the Linux OS and the application may read the files from there. If you use file transfer tools described below then you cannot copy the files to /boot/ICU due to missing rights. Copy the files to /home/pi/Documents instead and then move them to /boot/ICU using e.g. [Midnight Commander](/tools-for-sbc-products/midnight-commander.md) or Linux commands. {% endhint %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.boomerang3.com/tools-for-sbc-products/file-transfer.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.