Unfortunate, indeed . Ok, you can uninstall Firefox, it was worth a shot.
That’s up-to-date then, nothing to do there until the next update comes around.
Here’s a nice overview of options to check in case of non-working mobile data.
Your mobile data is partly working, but perhaps you could go through those settings and look for something suspicious …
. Ok, you can uninstall Firefox, it was worth a shot.