If the ZIP file is unusually large (multiple MBs), it likely contains an executable (.exe or .apk) rather than a simple configuration script, which is a major security red flag.
Files shared in unofficial groups often contain hidden trojans that can steal personal data or SMS codes once imported into a VPN app. Account Ban
Using bypass scripts or "frozen" configs can lead to permanent bans on your mobile network or specific app accounts. Stability
Unless you are an expert in network configuration, avoid downloading ZIP files from unverified Telegram or Facebook links.