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2012-11-30 12:48 PM
Contact your local Xperia Support to get information if it's possible to downgrade your phone without voiding warranty.http://www.sonymobile.com/global-en/support/contac
2012-12-02 10:31 AM
I wonder why it isn't possible to downgrade vie PCC or SUS...
Since Sony is not willing to release bug fixes, this could give customers the chance to solve many many problems on their own!