??External flash hardware for N7000 Camera??

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http://forum.xda-developers.com – Hi all, i want to know if there is any External flash hardware for N7000 Camera, for better flash as i get very bad pictures in low light as LED flash seems insufficient. Any flash hardware that might get connect to mini USB or via OTG USB and can act as camera flash light. If yes, can you please suggest good option to it. Regards Mani (HowTos)