A specific release cycle of the Facebook application, originally launching around mid-2019.
Before installing, run the APK through a virus scanner like VirusTotal.
Authentic Facebook APKs are cryptographically signed by Meta to ensure they haven't been tampered with. Repacks lose this chain of trust, making them ineligible for official updates and potentially vulnerable to "Android God Mode" malware.
Forcing dark themes on versions that originally lacked them.
Facebook version 235 was released in 2019. While it may have been secure at the time, it has not received security updates for years. Any known vulnerabilities discovered in the app's code since 2019 remain unpatched in this version. A repacker might not fix these holes; they might even exploit them further.
: Version 235 lacks many of the heavy background tracking scripts, auto-play video algorithms, and heavy animations found in current versions. This makes it much faster on older Android operating systems.