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crwdns2934241:0crwdne2934241:0 daniel

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I finnaly found that the problem became from the extra shell case i used.

so avoid any extra shell case to make a test.

That's the solution a found whith mine. I think that the extra case (not a samsumg case)  genarate echo because of the 2 microphones on the top and the bottom, I don't know why but I think that the case act like a echo box.

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open