Ensure your date and time settings are set to "Automatic." If the phone's clock is wrong, Facebook’s security certificates will fail. Stay Safe While Downloading
Downloading APKs from the web carries risks. Always use reputable sites and avoid "Modded" or "Hacked" versions of Facebook, as these often contain malware or could lead to your account being banned.
You can transfer the file via SD card or USB if your phone’s browser is struggling. Choosing the Right Version: Facebook vs. Facebook Lite