You can flash the FTF Firmware file with Flashtool. You can Find in-depth tutorial to flash the firmware using Flashtool, just do a google search. Let us know if you can’t find one we will post an in-depth guide on that. The latest update comes with software version 47.1.A.12.145 and is being rolled out in some parts of the world via OTA (over-the-air).Only users Sony Xperia XZ1, XZ1 Compact and XZ Premium will be getting the update.It may take some time to reach all parts of the world.
Sony Xperia XZ1, XZ1 Compact and XZ Premium 47.1.A.12.145 April 2018 OTA Is Now Available
If you own a Sony Xperia XZ1, XZ1 Compact and XZ Premium, then you may have already received the 47.1.A.12.145 April 2018 Security Patch OTA Update.You can manually check for the update by going to Settings » About phone » Software update, then check for update.If there is no update showing on your device, then wait for few days for the update to come to your device.
Steps To Install Sony Xperia XZ1, XZ1 Compact and XZ Premium 47.1.A.12.145 April 2018 Security Update (Patch OTA)
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