https://community.sony.hr/t5/z-series/allows-default-pre-set-your-sim-xperia-z3-dual-sim/m-p/3436630#M76726 Are u have the solution for your question.plz send massage to me of solution Sun, 01 Jan 2017 11:13:24 GMT 2113 2017-01-01T11:13:24Z https://community.sony.hr/t5/z-series/allows-default-pre-set-your-sim-xperia-z3-dual-sim/m-p/3436629#M76725 <P>I have a Xperia Z3 Dual Sim .<BR />Change the software that allows include an option that allows default pre-set your SIM1 (or SIM2) to be used for voice calls without requiring to choose which SIM to use . Thank you.<BR />João.</P> Thu, 01 Oct 2015 13:29:45 GMT https://community.sony.hr/t5/z-series/allows-default-pre-set-your-sim-xperia-z3-dual-sim/m-p/3436629#M76725 jvbarreira 2015-10-01T13:29:45Z https://community.sony.hr/t5/z-series/allows-default-pre-set-your-sim-xperia-z3-dual-sim/m-p/3436630#M76726 Are u have the solution for your question.plz send massage to me of solution Sun, 01 Jan 2017 11:13:24 GMT https://community.sony.hr/t5/z-series/allows-default-pre-set-your-sim-xperia-z3-dual-sim/m-p/3436630#M76726 2113 2017-01-01T11:13:24Z