: Displays real-time parameters such as engine RPM, coolant temperature, vehicle speed, and intake air temperature.
Click "Update" and wait for the scanner to connect and the progress bar to complete.
Keeping your scanner updated is essential for accessing new features, improving diagnostic speed and accuracy, and adding support for more vehicle makes and models. The official source for updates is the Chinese manufacturer's website at memoscan.cn . Here is a step-by-step walkthrough to guide you through the process safely:
Two minutes felt like two hours. The screen went black. She thought she’d bricked it. She thought ScanGuru99 had laughed himself to sleep.
Search for the official archive package, usually named Memoscan_U581_Setup.zip or U581_Update_Tool.exe . This package contains three essential components: The USB driver files (usually FTDI or Prolific drivers) The desktop update executable application
Full compatibility with CAN-BUS and ISO9141 protocols found in newer 2020-2025 vehicles.
Click or Browse within the software and select the new firmware file downloaded in your package.
You can find critical update files like U581 HD4.5 SW5.2 ENGLISH.rar and the manual on community-hosted directories like AlvaresTech .
If you encounter errors during the process, use these solutions to resolve the issue: "Device Not Found" or "Connection Timeout" Error
to your PC using the included USB cable. You do not need to power the scanner via the vehicle for this process. : Open the UIF-ISP software.
scanner updated ensures you have the latest vehicle protocols and diagnostic capabilities. Whether you are troubleshooting a check engine light or performing advanced live data monitoring, staying on top of software revisions is critical. Where to Download the Latest Software