Many "free patched" files are bait for malware. Hackers can inject code that steals your Facebook login credentials, monitors your keystrokes, or accesses your private messages.

Some versions are modified to run without Google Play Services . Serious Risks of Using "Patched" Software

Facebook’s security systems can often detect when you are using an unofficial or modified version of their app. This can lead to your account being permanently flagged or banned for violating their Terms of Service.

Downloading apps from unofficial sources instead of the Google Play Store can expose you to significant dangers:

Modified apps may have "backdoors" that allow attackers to access your camera, microphone, or contacts without your knowledge.