network problem in miui v6 help plz topic

Hi guys
any one have problem like me i can't access themes app and no mi store and no google playstore open after updating miui v6 all stuff's are complicatedly work with miui v5 i don't know whats the problem any one have solution i almost tried all that thing like clear cache ,clear data but nothing work this problem also happen with miui v6 devloper rom so plz anyone have a solution tell me..

see the screenshot below.i have high speed 3g internet

thanks

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