Many of you might have come across the term “Stock ROM” or “Stock Firmware” if you are using an Samsung Galaxy Android Smartphone. You hear it a lot when you have some performance issue, bootloop issue, stock firmware network issue etc. Many of the tutorials out there will tell you to install your stock ROM/firmware when your phone restarts continuously after a software update or has some issues after rooting.
Another reason why people seek custom ROMs is because of the extra features they offer. They also reduce bloatware that comes as a part of many manufacturer skins.
It may not be the best compared with OnePlus devices, But It is way better than the Pie 9.0 version. You can access recently used apps By Swiping Quarter Screen to the Top. Google always added enhanced Privacy features in every Android version. In the 12th version, You can handle your Privacy a lot better. It will always tell you when your installed apps access your location in the background to manage whether you need that Permission on Always or During the app usage. There are tons of custom ROMs out there in the market, and every ROM is unique in itself.
Additionally, the brand ensures that your personal files are kept securely on your phone. Besides these, there is nothing that the latest software update installs on your OnePlus 7.