Rooted device

 https://www.google.com/amp/s/www.cleverfiles.com/howto/what-is-rooted-device.html%3famp

Risks of Rooting Your Android Device

Rooting is a process of unlocking Android smartphones and tablets devices to attain higher administrative privileged controls. 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. In fact rooting, an Android device opens all troubles and disaster for inexperienced users. Most Mobile phone manufacturing companies warn users not to root their device unless they have some technical knowledge on how Android devices work and some level of programming skills. Even though there are DIY apps that can help one to root a device, always take great care when using them because a small mistake can cause you irreversible problems.