After rooting your android you can install unapproved (by Google) apps, update the OS, replace the firmware, overclock the processor, customize just about anything, and so on. So when you get a New Amazon Fire Phone, do you want to root the New Amazon Android Smartphone?
Actually,all lost or deleted data are still on your phone, if your data stored inside the SD cards of the phone, all the lost data are still on the SD cards.But you can't get it back without a professional Android data recovery software.
The lost data are saved in phones internal memory. It can easily be recovered any data recovery software for android. These software are capable of recovering data if there is backup file or without any backup files also. These software are capable of recovering data from any situation even by accidentlly deletion, or blackout or white screen and black screen situations. For free download of these software and for additional information log on to Free Android Data Recovery Software