https://community.sony.com.mk/t5/xperia-archive/sony-z1-switch-to-mute/m-p/3336295#M458057 <P>Check your volume down button isn't a bit sticky or stuck for some other reason</P> Fri, 28 Nov 2014 17:50:03 GMT Thommo 2014-11-28T17:50:03Z https://community.sony.com.mk/t5/xperia-archive/sony-z1-switch-to-mute/m-p/3336294#M458056 Had the phone for one year, and now it is switching to mute, without any reason, what is happening????? I missed important calls because of that Fri, 28 Nov 2014 16:30:59 GMT https://community.sony.com.mk/t5/xperia-archive/sony-z1-switch-to-mute/m-p/3336294#M458056 rrmacd 2014-11-28T16:30:59Z https://community.sony.com.mk/t5/xperia-archive/sony-z1-switch-to-mute/m-p/3336295#M458057 <P>Check your volume down button isn't a bit sticky or stuck for some other reason</P> Fri, 28 Nov 2014 17:50:03 GMT https://community.sony.com.mk/t5/xperia-archive/sony-z1-switch-to-mute/m-p/3336295#M458057 Thommo 2014-11-28T17:50:03Z