The new version introduces a system-wide dark theme that is no longer just a "filter." In Opera Mini 74, the dark mode forces web pages (including Google Docs and Wikipedia) to render with true black backgrounds and neon text, saving battery on AMOLED screens. The "Dynamic Theming" also allows the browser’s toolbar to change color based on the dominant hue of the website you are visiting.
To ensure you have the latest performance improvements and security patches: Open the Google Play Store on your Android device. Search for . opera mini 74 android new
The release of Opera for Android 74 (and the related Opera Mini 74 The new version introduces a system-wide dark theme