Step 1.įirstly, make sure that you have fulfilled all the prerequisites for installing Custom ROMs. Before getting into the actual process of installing Custom ROM on your Oppo Phone, let us first see what are the requirements you need to consider before starting the procedure. The developed Custom ROMs differ from the original source code in features and looks. Custom ROMs are not provided by Google or other mobile vendors but are developed and maintained by the community and its contributors. They are meant to replace what is known as the stock ROM, or the version of Android that the manufacturer provided on your device. If you are wondering what is custom ROM meaning, then let me tell you, a custom ROM is simply a version of Android that third-party developers create for your device. Basically, it is the operating system software that runs your Droid. And if you want to make use of the numerous features you get by installing Custom ROMs, you have dropped up at the right place.