As of late 2024, there is accurate web-based (JavaScript/WebAssembly) emulator for Symbian^3. Projects like v86 and PCem focus on x86 PCs, not ARM phones. However, given the progress of QEMU’s TCG (Tiny Code Generator), it is technically possible to run Symbian^3 in a Docker container and stream it via VNC. One day, we may see a "Nokia N8 Emulator Online" akin to the Windows 93 website, but that day is not today.
is currently the most popular and actively developed Symbian emulator. It aims to recreate the Symbian OS (including S60v1 through S60v5 and Symbian^3/Belle) on Windows, Android, and macOS. Capabilities nokia n8 emulator