https://community.sony.si/t5/xz-series/volte-quot-modem-configuration-quot-files-missing-in-xz1-dual-sim/m-p/3640392#M52650 <P>I'm owning two XZ1 dual SIM and two XZ1 single SIM devices and want to use VoLTE in Germany. The latest "Customized FR" firmware is running on all these devices.</P><P>The problem is that the firmware for the XZ1 dual SIM device (G8342_Customized FR_1310-8119_47.2.A.10.28_R6C) does not include the neccessary "Modem Configuration" files to use VoLTE. Can you please add the missing files to the dual SIM firmware in the next firmware release?</P><P>The XZ1 single SIM firmware (G8341_Customized FR_1310-5883_47.2.A.8.24_R5C) includes these German "Modem Configuration" files:</P><P>1. amss_fsg_poplar_telefonica_germany_volte_vilte_vowifi_tar.mbn</P><P>2. amss_fsg_poplar_telekom_germany_volte_vowifi_tar.mbn</P><P>3. amss_fsg_poplar_vodafone_germany_pp_volte_vowifi_tar.mbn</P><P>4. amss_fsg_poplar_vodafone_germany_volte_vowifi_tar.mbn</P><P>Thank you in advance!</P> Thu, 04 Apr 2019 20:10:24 GMT XZ1-User 2019-04-04T20:10:24Z https://community.sony.si/t5/xz-series/volte-quot-modem-configuration-quot-files-missing-in-xz1-dual-sim/m-p/3640392#M52650 <P>I'm owning two XZ1 dual SIM and two XZ1 single SIM devices and want to use VoLTE in Germany. The latest "Customized FR" firmware is running on all these devices.</P><P>The problem is that the firmware for the XZ1 dual SIM device (G8342_Customized FR_1310-8119_47.2.A.10.28_R6C) does not include the neccessary "Modem Configuration" files to use VoLTE. Can you please add the missing files to the dual SIM firmware in the next firmware release?</P><P>The XZ1 single SIM firmware (G8341_Customized FR_1310-5883_47.2.A.8.24_R5C) includes these German "Modem Configuration" files:</P><P>1. amss_fsg_poplar_telefonica_germany_volte_vilte_vowifi_tar.mbn</P><P>2. amss_fsg_poplar_telekom_germany_volte_vowifi_tar.mbn</P><P>3. amss_fsg_poplar_vodafone_germany_pp_volte_vowifi_tar.mbn</P><P>4. amss_fsg_poplar_vodafone_germany_volte_vowifi_tar.mbn</P><P>Thank you in advance!</P> Thu, 04 Apr 2019 20:10:24 GMT https://community.sony.si/t5/xz-series/volte-quot-modem-configuration-quot-files-missing-in-xz1-dual-sim/m-p/3640392#M52650 XZ1-User 2019-04-04T20:10:24Z