Hello i have a unique problem with my s4. Few days ago my fb messenger app uninstalled by it's own or accidentally not sure about that, but now the problem is Facebook messenger not installing anymore. Tried factory reset but not working. Also wipe cache partition from recovery. But not working. From play store got 504 error and if i tried to install the apk directly, it shows app not installed. Messenger lite is working fine.Can any one help me please ☹☹☹.Btw phone is not rooted and...Read more