My Xperia MT25i does not work with Google play store. If I run the icon, I get the get the mesage “Unfortunately Google Play Store has stopped. How can I fix it?
Try going into the phone settings, manage apps/app manager, select All Apps, click on Play Store, and then click on Clear Cache and Clear Data. Go back to the Play Store, log in and see if it works again.
try to reset Xperia MT25i
go to your settings - application-Google play store-clear cache/uninstall updates, reboot.
There are many possible reasons for this, and some of them are device specific, but there's a good summary at http://forum.xda-developers.com/showthread.php?t=1806238 .