Enable "Compatibility mode" in Settings. Or use an older phone (Android 4.4 works best).

After saving these settings, the browser connects to the internet using those specific parameters, bypassing the standard direct connection. Safety and Compatibility

This menu allowed users to input specific proxy servers, Host headers, and FrontQuery strings. For many users, this was the "golden key" to the internet. By configuring these settings correctly, users could bypass data charges imposed by mobile carriers, access the internet for free (often called "free browsing tricks"), or significantly compress data to stretch small data bundles further.