By default, the bootloader Nokia Lumia 720 is locked on the phone. This is done so that the novice user does not make a fatal error while editing the device kernel and does not turn the phone into a brick.
Advantages of Rooting your Nokia Lumia 720
You can download third party or custom applications with higher permissions for Windows Phone OS
Installing special applications for which root rights are required
You can back up your phone as well as access the file system in storage mode.
You will be able to install custom firmware on your device.
Disadvantages of Rooting your Nokia Lumia 720
Warranty will be void
Updates will not install.
It can brick your device.
Rooting the phone sometimes comes viruses in the phone.
How to root Nokia Lumia 720 with Computer (via Windows Phone Internals)
Before starting the rooting process, follow these steps.
1. Backup Your Device.
2. Make sure your battery is charged to 90%.
3. Just to be safe, reboot your device.
Rooting via Windows Phone Internals
User questions and comments about root Nokia Lumia 720