To perform a successful update, you typically need the following: Windows PC (XP, 7, 8, or 10). Hardware: Memoscan U581 unit and a USB data cable (not just a charging cable).
Disable your antivirus software temporarily during installation, as it may block the diagnostic drivers.
Firmware files typically ending in the .uif extension. How to Download and Install Memoscan U581 Update Software memoscan u581 update software download new
Visit the manufacturer's support page or an authorized distributor to download the newest version of the update tool (often called the "UIF-ISP" programmer).
Connect your U581 to your computer using the USB cable. Do not turn on the scanner's power yet. To perform a successful update, you typically need
Click the "Open File" button in the software and select the latest .uif firmware file you downloaded.
The official UIF-ISP or Uplink software application. Firmware files typically ending in the
Full compatibility with CAN-BUS and ISO9141 protocols found in newer 2020-2025 vehicles.
Access to more manufacturer-specific trouble code definitions.
Click "Update" in the software. Only now should you switch the power of the Memoscan scanner to "ON" .