This file contains prefs. that are not native to the Android version of Firefox, but I have chosen to add them to avoid that in the future they can be implemented by Mozilla without we can realize it.
- I would like to suggest you to use one of these file managers before proceed: [Amaze](https://f-droid.org/en/packages/com.amaze.filemanager/), [Dir](https://f-droid.org/en/packages/com.veniosg.dir) or [Ghost Commander](https://f-droid.org/en/packages/com.ghostsq.commander)
- Download and install Fennec F-Droid form the official [F-Droid client](https://f-droid.org/FDroid.apk) or from the official [F-Droid Website](https://f-droid.org/en/packages/org.mozilla.fennec_fdroid/)
- Start for the first time (offline mode/no data connections) and wait 5 sec.
- Download and install Fennec F-Droid form the official [F-Droid client](https://f-droid.org/FDroid.apk) or from the official [F-Droid Website](https://f-droid.org/en/packages/org.mozilla.fennec_fdroid/)
- Download and install [user.js-updater app](https://github.com/v1nc/user.js-updater/releases)
- Start for the first time (offline mode/no data connections) and wait 5 sec.
- Close your browser
- Open `user.js-updater` app
- Select the browser you want to apply `user.js` through the `SELECT BROWSER` bar at the top
- Select `quindecim` as the author
- Tap `UPDATE` at the bottom and grant root permission to proceed