Websites promising a "patched" APK that restores functionality on Gingerbread are almost always misleading. Because the block is server-side, a modified client app cannot force Facebook's modern servers to communicate with it. The Serious Risks of Patched APKs
The number "236" refers to a specific version of the Facebook Android app, which dates back to mid-2019. In software, version numbers usually indicate the iteration of the app, with higher numbers being newer releases. There isn't just one version; "236" covers a small family of releases. Here are the main ones: facebook app for android 236 free download patched
To minimize these risks, make sure to: