twin black and white lumia 900 user reporting in here 
BUT my black lumia900 screen cracked            it occurs when the phone slipped out my hand and drop at just around knee level to the hard tile floor


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*picture was taken using white lumia 
flip cover of the hardcasing for the back?? got only the standard design so far i saw on some place....
flip cover only 2place so far i found got the stock...one at downtown cheras late night market...another one is 3rd/4th floor at lowyat i didnt remember the actual shop....