By default, the bootloader HTC P3350 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 HTC P3350
Load your custom apps with higher privileges.
Easy removal of system (pre-installed) applications
You will be able to modify or delete protected files.
Installing mods and patches on the current OS version
Disadvantages of Rooting your HTC P3350
Voids the phone warranty.
You will not be able to update the phone to the latest version.
Rooting can brick your device.
Would be chance of virus attack on your device.
How to root HTC P3350 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.