This experimental software allows you to flash firmwares acquired through XperiFirm to Sony phones including and newer than the XZ Premium.
- Place the newflasher executable into the firmware folder (usually created by XperiFirm)
- Run Newflasher. Everything inside the folder will be flashed, so remember to remove files you don't want on your device beforehand.
make newflasher.[exe/x64/i386/arm32/arm64], exe referring to a Windows build, the rest being for Linux and Android.