Rooting is the Android equivalent of jailbreaking, a means of unlocking the operating system so you can install unapproved apps, deleted unwanted bloatware, update the OS, replace the firmware, overclock (or underclock) the processor, customize anything and so on.

What happens when Android phone is rooted?

Gaining root access on Android is akin to running Windows as an administrator. You have full access to the system directory and can make changes to the way the OS operates. As part of rooting, you install a management client like Magisk — SuperSU used to be the top option but has fallen into disrepair.

What does your device is rooted mean?

A rooted device is an Android gadget that has been jailbroken to install unapproved apps, update OS, delete unwanted apps, underclock or overclock the processor, replace firmware and customize anything else. For an average mobile user, rooting a smartphone can be a sophisticated and scary process.