These are the most common "Custom ROMs" found on YouTube channels. They are essentially the stock Oppo ROM stripped of bloatware or themed to look like iOS/Android 12.
Stick with the stock ColorOS (debloat via ADB if needed). If you want custom ROMs, consider switching to a device with better developer support (Poco, Xiaomi, OnePlus). oppo a11k custom rom link
To install a custom ROM on your Oppo A11k, follow these general steps: These are the most common "Custom ROMs" found
Widely considered the most stable "no-bug" option. It mimics the software found on Google Pixel phones, including the launcher, icons, and wallpapers. including the launcher
Many ROMs are optimized for speed and battery efficiency.
: Another Android 12-based ROM known for its stability on MediaTek devices. Critical Prerequisites