How to Disconnect from a Proxy Server – Quick Fix or Full Guide? or Stuck Behind a Proxy? How to Disc

If you’re on Android, go to Wi-Fi settings, long-press your network, hit "Modify Network," then look for "Proxy." Set it to "None."

Same idea for iOS but buried in HTTP Proxy under Wi-Fi settings.

Also, some apps (like browsers) have their own proxy settings, so check those too!