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when you want to take a picture on the screen of my smartphone are black spots that are still when taking pictures and when they make a film, a move also had one before the dot but disappeared and now is 3 and do not want to disappear help
I suggest that you contact your local support team to get information about how you should proceed in this case:
http://www.sonymobile.com/global-en/support/contact-us/contact-info/
Same with mine. I put it in service center in my country (Indonesia) since Nov 1st 2013, but until now I didnt get information when I can take it. 