https://community.sony.lt/t5/z-series/headphones-obstruction/m-p/3445653#M79917 @Yxart i also faced this problem. Before sending it to your local Xperia Center,try picking out the "something" using a hair pin or something sharp but careful not to scratch anything inside.<BR /><BR />You might notice a white stuff inside it,i dont know what it is but it is not part of the waterproof coating<BR /><BR />*Tested my Z2 with water on the audio jack Mon, 22 Feb 2016 00:34:39 GMT Ashroft98 2016-02-22T00:34:39Z https://community.sony.lt/t5/z-series/headphones-obstruction/m-p/3445651#M79915 Last day I couldn't use my headphones because something is inside the jack of my mobile. My question is: Does the guarantee cover this reparation?<BR />Sorry for my English Sun, 21 Feb 2016 21:35:43 GMT https://community.sony.lt/t5/z-series/headphones-obstruction/m-p/3445651#M79915 Yxart 2016-02-21T21:35:43Z https://community.sony.lt/t5/z-series/headphones-obstruction/m-p/3445652#M79916 Contact your Sony local Xperia support regarding this warranty question.<BR /><A href="http://support.sonymobile.com/global-en/contactUs/" target="_blank" rel="nofollow noopener noreferrer">http://support.sonymobile.com/global-en/contactUs/</A> Sun, 21 Feb 2016 21:40:09 GMT https://community.sony.lt/t5/z-series/headphones-obstruction/m-p/3445652#M79916 Phy 2016-02-21T21:40:09Z https://community.sony.lt/t5/z-series/headphones-obstruction/m-p/3445653#M79917 @Yxart i also faced this problem. Before sending it to your local Xperia Center,try picking out the "something" using a hair pin or something sharp but careful not to scratch anything inside.<BR /><BR />You might notice a white stuff inside it,i dont know what it is but it is not part of the waterproof coating<BR /><BR />*Tested my Z2 with water on the audio jack Mon, 22 Feb 2016 00:34:39 GMT https://community.sony.lt/t5/z-series/headphones-obstruction/m-p/3445653#M79917 Ashroft98 2016-02-22T00:34:39Z