(3) Tap the preference to show a Toggle button, then tap Toggle to switch the value from true to false (2) In the search box above the list, type or paste xpin and pause while the list is filtered Click the button promising to be careful or accepting the risk if presented. (1) In a new tab, type or paste about:config in the address bar and submit that. This obviously is not as safe, but might be the best compromise in the short run until a patch is available through Google Play or otherwise. The Add-ons team is adding updated information here:įirefox for Android has a preference to bypass signature verification for extensions. Unfortunately, there is not yet an update for Firefox for Android. A critical certificate Firefox uses to verify their digital signatures has expired, and you need a new one to resume using or installing the affected extensions. Hi Phobos009,, there is a general problem with most add-ons at the moment.