https://community.sony.com.mk/t5/xperia-archive/switch-to-4g/m-p/3512841#M549134 <P>the device will pick the strongest or stable signal accordingly, in your case the 3g might be more stable/stronger, try to set your device to LTE only. and see if you can place a call</P> Fri, 01 Jul 2016 15:56:27 GMT MarlonUk1 2016-07-01T15:56:27Z https://community.sony.com.mk/t5/xperia-archive/switch-to-4g/m-p/3512839#M549132 <P>I have a problem whit my 4g connection.I set 4g/wcdma/GSM in settings and i turn on 4g but when i ceck data usage, my phone still use 3g.</P> Fri, 01 Jul 2016 08:35:15 GMT https://community.sony.com.mk/t5/xperia-archive/switch-to-4g/m-p/3512839#M549132 RegepOnur1998 2016-07-01T08:35:15Z https://community.sony.com.mk/t5/xperia-archive/switch-to-4g/m-p/3512840#M549133 <P>There might be no 4G coverage in your area or you need to wait some time until your device picks it up.</P> Fri, 01 Jul 2016 08:53:15 GMT https://community.sony.com.mk/t5/xperia-archive/switch-to-4g/m-p/3512840#M549133 _alexdon_ 2016-07-01T08:53:15Z https://community.sony.com.mk/t5/xperia-archive/switch-to-4g/m-p/3512841#M549134 <P>the device will pick the strongest or stable signal accordingly, in your case the 3g might be more stable/stronger, try to set your device to LTE only. and see if you can place a call</P> Fri, 01 Jul 2016 15:56:27 GMT https://community.sony.com.mk/t5/xperia-archive/switch-to-4g/m-p/3512841#M549134 MarlonUk1 2016-07-01T15:56:27Z