Back up firmware

[Nikolaiiiiiiii]

Im about to try sth on my phone and in case it doesnt work out, I would like to know a way to make a back up of my phone firmware so I can flash it back as it was in case I brake it.

[Uliwooly]

what do you want to backup exactly?

here are some suggestions

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355

[Uliwooly]

if you want to backup the firmware then you need PCC or SUS and flashtool

http://talk.sonymobile.com/thread/38251