How to restore Stock ROM for Acro S

[Shadi_Shami]

hello,

I do have a custom ROM on my Xperia Acro S, how can I restore the stock firmware?

Thank you,

Shadi

[_alexdon_]

Download EMMA:

http://developer.sonymobile.com/services/flash-tool/how-to-download-and-install-the-flash-tool/

Get a ftf file and flash it.