the smiley is like this 
i got a notification on software update on my lumia 520.i have clicked the install button.the phone has restarted and begins to update .i kept my phone charging during installation.after some times i saw only a bluescreen with above mentioned
smiley
i got a notification on software update on my lumia 520.i have clicked the install button.the phone has restarted and begins to update .i kept my phone charging during installation.after some times i saw only a bluescreen with above mentioned
smiley
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