this post was submitted on 10 Jan 2024
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It's been years since I am trying to use Firefox on my Android phone but I always get the error "This website requires a secure connection" when surfing the Internet, even major websites. I have tried many times to understand why this keeps happening and it's so frustrating that I always end up deleting the app. Can anyone help? I would love to use Firefox on my phone.
I know that is something with the certificate validation you should check what it says. I mean I know what can cause this but those cases are weird, like having the time/date wrong or having a mitm attack and you are getting not the real cert. But I don't expect that to be it.
You might want to open settings and then turn "HTTPS-Only Mode" off. Though if it has been a couple of years since you last tried, it's also not unlikely that most sites will just work now, if that was indeed the culprit.
(Also, if you're the type of person who dials all the privacy protections up to eleven, you might want to hold off on doing that until you've seen everything working just fine, so you know whether those options were the problem.)
Oh, and another thing you could try is going into the app settings in Android, then under Storage and cache tap "Clear storage" and "Clear cache" (or similar options in another place if you're on a different version of Android). This to ensure you didn't have old settings that were interfering.
@sachamato @hal_5700X I have used Firefox on my Android phone for years. Never had that issue and everything is on default. Do you use a VPN? Of so, could you disable it and see if that fixes it?
Thanks for all the suggestions. Turns out that it was an ad blocker issue colliding with filtering HTTPS. After disabling it and making some configurations, mozilla is up and running on my Android device. Today is a happy day!