: Use "SELECT FILE" to pick a specific firmware file and click "DOWNLOAD" to push it to the interface.
What (e.g., 7.83, 9.91, 9.150) you are trying to run? What specific error message you are seeing, if any?
Note: Before using this tool, make sure the Lexia USB drivers are installed. psa interface checker 4.4.0
The PSA Interface Checker is an official utility software used to detect and modify the firmware version embedded inside the Lexia 3 XS Evolution communication interface.
To change firmware, click Select File to choose a specific APPLI.com file, then click Downloading to begin the flash. This process usually takes less than a minute. PSA Interface Checker and Lexia Version - French Car Forum : Use "SELECT FILE" to pick a specific
The checker now identifies clone interfaces with greater accuracy, reducing false “No Interface Found” errors. It also supports the newer OBDLink and Actia pass-thru standards.
I've got a tale for you!
: Most community guides on Drive2 and automotive forums emphasize that clones should never be updated through the official DiagBox internet prompt, as only the PSA Interface Checker should be used for controlled, offline updates. PSA Interface Checker and Lexia Version - French Car Forum
To continue setting up your diagnostic kit, please let me know: What you are planning to run? Note: Before using this tool, make sure the
Different versions of Diagbox require specific firmware versions. While Diagbox often upgrades firmware automatically, the PSA Interface Checker is critical for manually downgrading firmware to maintain compatibility with older software like Lexia 3 or PP2000.