https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265869#M1736 <P>What network mode are you using?</P> Sun, 15 Jun 2014 16:22:49 GMT _alexdon_ 2014-06-15T16:22:49Z https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265868#M1735 <P>sign of weak carrier and always falling on both chips.</P> Sun, 15 Jun 2014 15:49:25 GMT https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265868#M1735 Gleyston 2014-06-15T15:49:25Z https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265869#M1736 <P>What network mode are you using?</P> Sun, 15 Jun 2014 16:22:49 GMT https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265869#M1736 _alexdon_ 2014-06-15T16:22:49Z https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265870#M1737 <P>GSM</P> Sun, 15 Jun 2014 16:35:20 GMT https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265870#M1737 Gleyston 2014-06-15T16:35:20Z https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265871#M1738 try changing the Network type in settings&gt;more&gt;mobile network&gt;network mode..hope this helps... Sun, 15 Jun 2014 16:57:30 GMT https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265871#M1738 Cory_Chasez 2014-06-15T16:57:30Z https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265872#M1739 <P>does not solve</P> Sun, 15 Jun 2014 17:08:33 GMT https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265872#M1739 Gleyston 2014-06-15T17:08:33Z https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265873#M1740 Did you try the SIMs in other device? Sun, 15 Jun 2014 20:13:02 GMT https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265873#M1740 _alexdon_ 2014-06-15T20:13:02Z https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265874#M1741 <P>In another device work perfect.</P> Mon, 16 Jun 2014 01:09:45 GMT https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265874#M1741 Gleyston 2014-06-16T01:09:45Z https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265875#M1742 <P>Stop by a sony service.</P> Mon, 16 Jun 2014 18:48:15 GMT https://community.sony.no/t5/c-series/xperia-c-sign-of-weak-carrier-and-falling/m-p/3265875#M1742 _alexdon_ 2014-06-16T18:48:15Z