: Search for "Droid4X Offline Installer" (e.g., version 11.1) which contains all necessary files in one package.
If the Play Store or internal downloader is failing, you can manually install applications: how to fix droid4x request download url failed work
. If you already have it installed, try uninstalling it first, then reinstalling Droid4X so it can set up its own version. F-Droid Forum 5. Consider Modern Alternatives : Search for "Droid4X Offline Installer" (e