Surprisingly, the 2021 update backported a simple Dark Mode that worked flawlessly on 4.4.2. It wasn't pure AMOLED black, but a dark grey that saved battery on old LCD screens.
Technical Review: Facebook Lite for Android 4.4.2 (2021) Facebook Lite remains one of the most efficient mobile applications for users on older hardware, such as devices running Android 4.4.2 (KitKat) facebook lite android 442 2021
In 2021, Facebook Lite remained a critical entry point for users on legacy Android 4.4.2 devices. While the main Facebook application had dropped support for API 19 (KitKat) around 2019–2020, Facebook Lite continued to support Android 4.0.3 and above throughout 2021. This report analyzes the performance, feature set, security posture, and user experience of Facebook Lite as it existed for Android 4.4.2 during the 2021 calendar year. Surprisingly, the 2021 update backported a simple Dark
Despite its small size, the 2021 version of Facebook Lite allowed KitKat users to: While the main Facebook application had dropped support
Facebook Lite is great for the basics, but on Android 4.4.2, there are trade-offs compared to the main app.