https://community.sony.no/t5/xperia-archive/sim-card-error/m-p/3277090#M416386 <P>Damaged sim card</P><P>it's a contract and you haven't paid your bill</P><P>you have inserted the sim the wrong way</P><P>the sim needs to be registered with the network</P><P>and finally the phone is network locked and you are using a different networks sim card</P> Fri, 15 Aug 2014 17:50:04 GMT Thommo 2014-08-15T17:50:04Z https://community.sony.no/t5/xperia-archive/sim-card-error/m-p/3277089#M416385 <P>why sim card signals are not showing and red mark on the top is shown</P> Fri, 15 Aug 2014 16:15:16 GMT https://community.sony.no/t5/xperia-archive/sim-card-error/m-p/3277089#M416385 kha496 2014-08-15T16:15:16Z https://community.sony.no/t5/xperia-archive/sim-card-error/m-p/3277090#M416386 <P>Damaged sim card</P><P>it's a contract and you haven't paid your bill</P><P>you have inserted the sim the wrong way</P><P>the sim needs to be registered with the network</P><P>and finally the phone is network locked and you are using a different networks sim card</P> Fri, 15 Aug 2014 17:50:04 GMT https://community.sony.no/t5/xperia-archive/sim-card-error/m-p/3277090#M416386 Thommo 2014-08-15T17:50:04Z