:For non-Google devices like the "Samsung Galaxy S4" or specific smartwatches, you can find unofficial .zip files on community platforms like Android File Host.

For Google-branded devices, you should only download zip files from official sources. Third-party sites often host corrupted or malicious files.

Below, you’ll find safe, official sources and important warnings about third-party sites.

Ideal for older hardware or running Android in a virtual environment like VirtualBox or VMware. 3. Virtual Machine ROMs (VMOS)