The V500 Pro Circuit Tester has been one of our most popular tools since its release. Known for its stability, comprehensive functions, and user-friendly operation, it has helped many technicians diagnose electrical issues more efficiently. Before diving into the details of the software update, let’s take a quick look at what makes the V500 Pro stand out.
V500 Pro Key Highlights
VDIAGTOOL V500 Pro is an all-in-one circuit tester for comprehensive electrical diagnostics. It features circuit breaker tests, voltage and resistance measurements, injector and relay testing, wire tracing, polarity checks, and grounding tests. With Oscilloscope & Multimeter Mode, it provides accurate signal analysis. The 0–5V Power Supply supports circuit debugging and calibration, while Component Activation powers car parts for troubleshooting. A 90° Rotating Screen ensures clear visibility. Ideal for professionals and DIYers.
About the V500 Pro Software Update

Recently, some customers have asked about the differences before and after updating the software. Here is a simple explanation:
The software update upgrades your device to version 25.11.
After updating, you may notice:
• An optimized interface
• A more intuitive and improved overall user experience
In short, the update makes the tool easier and more efficient to use.
Do You Need to Update?
If all functions on your current device are working normally, there is no need to update.
The V500 Pro will continue to perform its tasks effectively even without upgrading.
However, if you prefer having the newest interface optimizations or simply want the latest version, you are welcome to update.
How to Update Your V500 Pro
If you decide to upgrade your device to version 25.11, please refer to our step-by-step guide:



