Go to Settings > Security & Privacy > Install Unknown Apps .

If you choose to proceed with a manual installation, you must first allow your device to install from unknown sources:

Searching for "ZAL PLUS" often refers to , a connectivity tool for car systems, or ZAL , a real-time PC performance monitoring app. Since "Plus" versions are frequently modified (mod) versions of existing apps, users should be extremely cautious as these third-party files can contain malware. Core App Functions

Downloading APKs from outside official stores carries inherent risks. Follow these safety steps to protect your device:

Open your "Files" or "Downloads" folder, tap the .apk file, and select Install .

Ensure Google Play Protect is active, as it scans third-party APKs for known malware. How to Install a Downloaded APK

Review the app's requested permissions. Be wary of apps asking for access to features unrelated to their function (e.g., a car mirroring app asking for contacts).