Hey there! It looks like you're experiencing a "Proxy server not found" error in Firefox for iOS. Even though you have the Proxy server option turned off, you're still facing this issue. No worries, we've got your back! To fix this, let's try a couple of steps. First, ensure you're using the latest version of Firefox for iOS from the App Store. If that's in order, let's clear your browser cache and cookies. You can do this by going to Settings > Privacy & Security > Clear Private Data. Lastly, double-check your network settings to make sure there's no manual proxy configuration enabled. Give these steps a shot, and if the issue persists, don't hesitate to reach out for more personalized help. Happy browsing!