I finally found solution to mine, since I had use unlocked version which I was using in India,somehow updates were messed up. Luckyly,I had tmobile sim which I used and as soon as I restarted,got all the updates and security patches:)

Thanks 

Thanks

By the way,checked few of your pics,each one is spectacular. You really are too good at it Sir

Thanks for the feedback. Any advise on how to get better bg clarity. I actually liked the BG blur :)