You need to be on Android 6.0 to be able to flash custom ROMs.
Install this recovery: https://drive.google.com/file/d/0B1pErR_Eg7cXSGRycW9tZzNLd3c/view
After this press on the link below to install the stock ROM Android 6.0:
How to install:
1: Download any root explorer
2: Copy bootanimation.zip to: /system/media
3: Set the permission on 664/ rw-r-r
720 x 1280: Download...
You can do it if you are rooted. After you have root you can install an app called Layers on playstore then find a theme for it.
Can someone make a module that replace the navigation and with gestures like on iPhone X? I really like the idea and I want to see it on Android .
There is an app in Playstore called "Swift" which solves most people's problems with the fb! This app has all the fb functionality you want, minus the crap & bloat!! Messenger is included in the app, aml
There is an app in Playstore called ...