Opera Mobile Proxy Settings -

Since Opera Mobile uses your phone's default connection, this is the most reliable method for applying a proxy to your browsing session. Open on your Android device. Navigate to Network & Internet > Wi-Fi . Tap the Gear Icon next to your connected network. Select Modify or the Edit (pencil) icon. Expand Advanced Options . Change the Proxy dropdown from "None" to "Manual."

Method 2: Using Opera’s Built-in VPN (The Proxy Alternative) opera mobile proxy settings