https://community.sonylatvija.com/t5/z-series/cannot-run-two-sims-gsm-does-not-work/m-p/3652431#M122727 <P>I have a Sony Xperia X5 (duel sim)</P><P>I have an Australian sim card and an overseas sim card. I am using the phone in Australia.&nbsp;</P><P>To connect to the network for the Australian sim card, it uses LTE. When I switch to GSM, it doesn't connect, which is strange because Australia has GSM networks.&nbsp;</P><P>When I try to connect the overseas sim card simultaneously, it doesn't work. It remains unable to connect unless I switch sim 2 (overseas sim) to LTE. When this is done, it disconnects sim 1.&nbsp;</P><P>Is anyone able to provide explanation of problem and solution so I can have both sim cards running at the same time? In particular, I would like sim 1 to work on 4g GSM network but it's almost as if the sim won't connect to that network on this phone, only LTE.</P> Mon, 02 Dec 2019 04:40:47 GMT mdroc1 2019-12-02T04:40:47Z https://community.sonylatvija.com/t5/z-series/cannot-run-two-sims-gsm-does-not-work/m-p/3652431#M122727 <P>I have a Sony Xperia X5 (duel sim)</P><P>I have an Australian sim card and an overseas sim card. I am using the phone in Australia.&nbsp;</P><P>To connect to the network for the Australian sim card, it uses LTE. When I switch to GSM, it doesn't connect, which is strange because Australia has GSM networks.&nbsp;</P><P>When I try to connect the overseas sim card simultaneously, it doesn't work. It remains unable to connect unless I switch sim 2 (overseas sim) to LTE. When this is done, it disconnects sim 1.&nbsp;</P><P>Is anyone able to provide explanation of problem and solution so I can have both sim cards running at the same time? In particular, I would like sim 1 to work on 4g GSM network but it's almost as if the sim won't connect to that network on this phone, only LTE.</P> Mon, 02 Dec 2019 04:40:47 GMT https://community.sonylatvija.com/t5/z-series/cannot-run-two-sims-gsm-does-not-work/m-p/3652431#M122727 mdroc1 2019-12-02T04:40:47Z