Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Where is the prefs.js file corresponding to about:config settings on Android Firefox?

  • 2 replies
  • 1 has this problem
  • 1 view
  • Last reply by ChiefMike

more options

`Internal Storage/Android/data/org.mozilla.firefox/` is empty, for the record.

`Internal Storage/Android/data/org.mozilla.firefox/` is empty, for the record.

Chosen solution

The file is not accessible to normal users.

Read this answer in context 👍 1

All Replies (2)

more options

Chosen Solution

The file is not accessible to normal users.

more options

On my Samsung Galaxy running Android 6.0.1 Marshmallow ff-68.0 it's ->

file:///data/user/0/org.mozilla.firefox/files/mozilla/cxphfdhi.default/prefs.js