There are a few ways to backup your stock ROM without root. The first is to use a root-free app called Helium. This app will allow you to make a backup of your ROM without root access. However, if you do have root access, you can use the built-in backup feature of TWRP recovery.
If you don’t have root access, you can use Helium to backup your ROM. Helium is a root-free app that can be used to make a …
