Do not download .z5 files from unverified third-party websites, torrents, or file-sharing platforms. Corrupted or malicious firmware can permanently brick your PSA XS Evolution unit, and it will void your warranty.
| Risk Type | Description | |-----------|-------------| | | Flashing a corrupt or mismatched .z5 file via CAN bus can permanently damage the ECU. Recovery requires desoldering the flash chip. | | Malware | In 2021, a file named PSA_XS_Evo_9780.z5.exe (double extension) was submitted to VirusTotal. It contained a keylogger and remote access trojan. | | Immobilizer lock | Corrupted BSI firmware can trigger permanent security lockdown, requiring dealer-level access (Stellantis SDT) to reset. | | Clone interface damage | Some .z5 files contain scripts that intentionally overload the FTDI chip in cheap interfaces (“bricker” payloads). | psa xs evolution 9780.z5 software download
The version you need depends on your operating system and the age of your vehicle: Do not download