Memoscan U581 Update Software: Download New
Congratulations. You now have the most current diagnostic database for the U581. However, an update is just the beginning. To maximize your tool:
If you are manually searching for memoscan u581 update software download new, you will encounter these file names:
Warning: Do not download from dl.memoscanfake .com or similar typos. Stick to domains ending in launch.com or memoscan.com.
Before jumping to the download, let’s diagnose why your scanner needs new software.
Recent U581 units use a small PC client called "Memoscan PC Suite" or Launch SmartLink. Download this client (about 50MB). Once installed, it will automatically detect your device via USB and prompt:
"New firmware available: v5.09 (or higher). Download now?"
This is the safest way to get the new update without hunting files manually. memoscan u581 update software download new
Please be aware that the MemoScan U581 is a legacy scanner (mostly popular between 2008–2014). Because it is older hardware:
If you cannot find an active link, the reality is that the hardware may have reached its end of life regarding software updates. The updates available usually only cover vehicles up to the 2013 model year and do not support newer CAN-BUS protocols found in cars built after 2015.
Finding the right software for your Memoscan U581 can feel like a bit of a treasure hunt since the official manufacturer’s site is often unreachable or outdated. To successfully download and update your device, you’ll need a few specific components and a bit of a "vintage" tech setup. Where to Find the Software
Because the main domain for Memoscan (memoscan.cn) is frequently offline, users often rely on archived mirrors and community repositories:
Archived Files: You can find critical update files like U581 HD4.5 SW5.2 ENGLISH.rar and the manual on community-hosted directories like AlvaresTech.
Alternative Support: Some vendors on platforms like AliExpress provide "Free Update Online" support, often by sending a download link or login credentials upon request. The "Complete Story" of Updating Your U581 Congratulations
Updating this specific scanner isn't as simple as modern "plug and play" devices. Here is the step-by-step process based on user manuals and community guides:
Prepare a Retro Environment: Most U581 update tools are designed for older operating systems. Many users report that the software specifically requires Windows XP to run correctly. Install the Drivers:
Download the CH341SER.EXE file (USB-to-Serial driver) and the REGMSCOMM.exe registration tool.
Install these first so your PC can "see" the scanner when it's plugged in via the USB update cable. Run the ISP Tool: Open the update tool (often named UIF-ISP.exe).
Select the correct COM port assigned to your scanner in the software settings. Load the Firmware:
Click "Open File" and select the firmware update file (typically with a .uif extension). Initiate the Handshake: Warning: Do not download from dl
Press the "Update" button in the software first, then power on the Memoscan U581. The screen should show it is trying to connect with the PC. Complete the Flash:
Wait for the progress bar to finish. Once successful, restart the scanner to apply the new firmware changes. Important Tips
Hardware First: Ensure you are using the specific USB update cable that came with the unit; standard USB cables may not always work for data transfer on these older models.
No Power Needed Initially: You generally do not need to power the scanner on until after you have hit the update button in the PC software to initiate the connection.
Here’s a deep guide on the MemoScan U581 (often sold as a budget OBD2 scanner / digital vehicle gauge). It covers how to update its software, where to download updates, and critical things to know before you try.
The base U581 covers Asian, European, and Domestic (US) vehicles generically. However, new updates add specific subsystems:


