These APKs often include built-in proxy servers (HTTP and Real Host) to tunnel traffic through different servers. Context of Android API 23 (Marshmallow) Minimum Requirement:
Therefore, a "Handler APK" designed for Android 6.0 would have to be an older, modified version of the app, which carries immense security risks. Facebook Handler Apk Android 23
A third-party client that is generally more secure than unknown handler mods. These APKs often include built-in proxy servers (HTTP
: Specifically designed for 2G networks and older phones, versions like 77.0.0.3.186 or earlier were built to support Android 2.3+. It uses less data and loads quickly on limited hardware. modified version of the app