[Xperia S] Problem with contact pictures

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http://forum.xda-developers.com – I upgraded my Xperia S using flashtool to the most recent ICS and now I have a problem with all my contacts with attached pictures. Instead of high res pictures now I get only low res ones, no matter what I do - I tried deleting the picture, asigning it again, deleting the whole contact - nothing worked. How to fix this? Sent from my LT26i using xda app-developers app (HowTos)