# Install Product Configuration Assistant Tool (PCAT) Source: [https://docs.qualcomm.com/doc/80-88500-5/topic/install_product_configuration_assistant_tool_pcat.html](https://docs.qualcomm.com/doc/80-88500-5/topic/install_product_configuration_assistant_tool_pcat.html) ## About this task PCAT is an integrated software package to configure and manage the chipset devices. The PCAT tool is useful for updating the system software on the target and recovering the device from the QDL mode. For more information on how to use the PCAT tool, see Qualcomm Product Configuration Assistant Tool (PCAT) User Guide (80-PR518-1). To install the PCAT tool, do the following: ## Procedure 1. Download and install Mono 6.12.0. For installation instructions, see [https://www.mono-project.com/download/stable/#download-lin](https://www.mono-project.com/download/stable/#download-lin). Mono is a software platform designed to enable developers to easily create cross-platform applications. Mono is an open-source implementation of Microsoft's .NET Framework as part of the .NET Foundation and based on the ECMA standards for C# and the Common Language Runtime. PCAT tool uses the latest Mono version. Follow the installation instructions for the Ubuntu-based host. - To verify the version, run the following command: mono --versionCopy to clipboard 2. Install the following tools in the specified order. By default, the tools are installed in the `/dev` directory. If you choose to install the tools in a different directory, ensure to use the updated file path appropriately. 1. Qualcomm USB driver (QUD) 2. Qualcomm unified tools service (QUTS) 3. PCAT 3. To verify if you have access to the QUD, QUTS, and PCAT tools, run the following command: qpm-cli --product-listCopy to clipboard The command displays all the products and tools that you have access for. **Sample output:** ---- List of products ---- alpaca apex apex7 deepmap .... .... pcat qcat .... .... qud quts qxdm5 4. To activate QUD, QUTS, and PCAT licenses, run the following commands: qpm-cli --license-activate qudCopy to clipboard qpm-cli --license-activate qutsCopy to clipboard qpm-cli --license-activate pcatCopy to clipboard 5. Install QUD, QUTS, and PCAT. Ensure that the tools are installed in the specified order. qpm-cli --install qudCopy to clipboard qpm-cli --install qutsCopy to clipboard qpm-cli --install pcatCopy to clipboard 6. To verify the PCAT version number, run the following command: pcat -versionCopy to clipboard 7. To display the PCAT command-line usage, run the following command: pcat -helpCopy to clipboard Note: After installing the QUD, QUTS and PCAP tools, you can proceed with the instructions provided in the `/opt/QTI/sign/signReadme.txt` file. **Parent Topic:** [Host system prerequisites](https://docs.qualcomm.com/doc/80-88500-5/topic/prerequisite_tools_on_host_machine.html) Last Published: Nov 25, 2025 [Previous Topic Install Qualcomm Package Manager (QPM)](https://docs.qualcomm.com/bundle/publicresource/80-88500-5/topics/install_qualcomm_package_manager_qpm.md) [Next Topic Flash RB5 software](https://docs.qualcomm.com/bundle/publicresource/80-88500-5/topics/prepare_rb5_kit_for_flashing.md)