1) due to data backup very limited in XPeria M M C 1905, 2Go around, I bought SD card of 7 GO 2) because primary memory is full I need to install more application on my mobile , and Want to root my mobile maybe to setupe more application on sd card of 7 GO 3) Before rooting my mobile, I want to backup all systeme and data my phone contacts on my mobile so it's not possible to save all on macbook and retore it after the recuperation of system on mobile? 4) Did you have suggestions to save all mydata
