Amber Update Lock Screen problem Lumia 820

After amber update my phone screen does'nt work properly. When I receive a call or a message or when I try to unlock screen I see various color dots on the screen.The pattern is same almost everytime. one out of 20 times I will be able to unlock screen. I cant take calls .
I am a windows phone developer myself and its sad to see such a thing. Its a major bug.Please let me know if there is any solution.
 

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Last updated May 24, 2018 Views 2,088 Applies to:
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Answer

Hello PraveenKumarA,

 

Thank you for your post.

 

Can you try the solution proposed in this link please? And tell us if it works?

 

http://answers.microsoft.com/en-us/winphone/forum/wp8-wpfeatures/my-nokia-lumia-928-wont-unlock/6bebff78-7865-4c32-b30f-19c578b0cf22

 

Best regards

Solene R.

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