- Open Firefox and type
about:configin the Addressbar and press Enter. It'll show you a Warning Message, click onAccept the Risk and ContinueButton - In the Search Bar, type each of the following Preferences and then set them to the Value provided to the right:
| Preference | Value to change |
|---|---|
| browser.newtabpage.activity-stream.feeds.telemetry | false |
| browser.newtabpage.activity-stream.telemetry | false |
| browser.ping-centre.telemetry | false |
| datareporting.healthreport.service.enabled | false |
| datareporting.healthreport.uploadEnabled | false |
| datareporting.policy.dataSubmissionEnabled | false |
| datareporting.sessions.current.clean | true |
| devtools.onboarding.telemetry.logged | false |
| toolkit.telemetry.archive.enabled | false |
| toolkit.telemetry.bhrPing.enabled | false |
| toolkit.telemetry.enabled | false |
| toolkit.telemetry.firstShutdownPing.enabled | false |
| toolkit.telemetry.hybridContent.enabled | false |
| toolkit.telemetry.newProfilePing.enabled | false |
| toolkit.telemetry.prompted | Number Value 2 |
| toolkit.telemetry.rejected | true |
| toolkit.telemetry.reportingpolicy.firstRun | false |
| toolkit.telemetry.server | Delete URL |
| toolkit.telemetry.shutdownPingSender.enabled | false |
| toolkit.telemetry.unified | false |
| toolkit.telemetry.unifiedIsOptIn | false |
| toolkit.telemetry.updatePing.enabled | false |