Originally Posted by gregbradley
make a backup then... and restore it afterwards
But if you actually read the instructions and the thread (Instead of asking questions) you will see that you will keep all you apps and settings if you follow the instructions
After I was refused a fix or replacement for this broken phone (mainly the touchscreen issue), I think it is time to root. Thank you, gregbradley, for providing useful information. These forums are helpful, unlike Sony themselves, retailers, or organizations for customer protection. Thank god at least somebody cares.