does my LU6200 brick?

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http://forum.xda-developers.com – I want to install official stock KDZ186, but it can't enter system , then I flash KDZ135 next , but it won't boot , I have try many solutions on the forums , but it can't boot , can't enter download mode , can't enter official recovery, it won't reflect whatever I do , is it "dead" ?:crying: Who konws how to save it . (HowTos)