https://community.sony.si/t5/xperia-archive/xperia-j-no-signal/m-p/3431845#M509538 <P>i have a xpeia j mobile. sometimes it pick signal some time not. i have done factory data reset and update software in service center still...signal problem is occur. what i can do?</P> Wed, 29 Jul 2015 05:07:48 GMT dishu 2015-07-29T05:07:48Z https://community.sony.si/t5/xperia-archive/xperia-j-no-signal/m-p/3431845#M509538 <P>i have a xpeia j mobile. sometimes it pick signal some time not. i have done factory data reset and update software in service center still...signal problem is occur. what i can do?</P> Wed, 29 Jul 2015 05:07:48 GMT https://community.sony.si/t5/xperia-archive/xperia-j-no-signal/m-p/3431845#M509538 dishu 2015-07-29T05:07:48Z https://community.sony.si/t5/xperia-archive/xperia-j-no-signal/m-p/3431846#M509539 <P>Have you tried using another SIM card in your phone? It might be related&nbsp;to it, as you've tried both updating and resetting the phone.</P> Wed, 29 Jul 2015 05:36:05 GMT https://community.sony.si/t5/xperia-archive/xperia-j-no-signal/m-p/3431846#M509539 Samuel1 2015-07-29T05:36:05Z