If you only care about the look and not the functionality, several launchers on Google Play mimic Symbian:
Installing Symbian OS on an Android phone is a challenging and complex process, but it's possible with the right tools and resources. While Symbian OS may not be the most efficient or compatible operating system, it's still a nostalgic and interesting experience for enthusiasts and retro computing fans.
After flashing Symbian OS on your Android device, you may need to perform some additional steps:
The process of installing Symbian on an Android phone is not straightforward. It requires rooting the device, unlocking the bootloader, and using a custom recovery mode. Additionally, you'll need to find a compatible Symbian OS version and a suitable installer package.
If you have a real Symbian phone (like an old Nokia N95 sitting in a drawer), you can remotely stream its screen to your Android phone. This is the only “installation” that gives you actual Symbian OS running on real hardware.