Before installing any mod, join the specific XDA discussion thread. Read the last 10 pages of comments. If users are reporting "login failed" or "account locked," wait for the developer to push an update. Patience is the key to safe modding.
On XDA, users can find a dedicated section for Facebook mods, where developers share their creations, and users can download and try them out. The forum is a treasure trove of Facebook mods, with threads dedicated to various aspects of the app, such as themes, plugins, and even entirely new features. facebook mod xda
This is not the official Facebook Lite from Meta. This is a heavily re-engineered version of the standard Facebook app. Before installing any mod, join the specific XDA
For 95% of users, Frost is the recommended "Facebook Mod XDA" solution because it is open source. Patience is the key to safe modding