The LineageOS Project has long supported the XZ2 ‘akari’ with two mainboards. Based on this, iodé.tech shows how attractive a LineageOS fork with microG can be. Two maintainers are working here as well. Both CustomROM run very smoothly. Get your unlock code
from Sony website.
XZ2 Device tree:
XZ2 manifest.xml
<manifest version="1.0" type="device" target-level="3">
<hal format="hidl">
<name>android.hardware.gnss</name>
<transport>hwbinder</transport>
<version>1.0</version>
<interface>
<name>IGnss</name>
<instance>default</instance>
</interface>
<fqname>@1.0::IGnss/gnss_vendor</fqname>
</hal>
<hal format="hidl">
<name>android.hardware.keymaster</name>
<transport>hwbinder</transport>
<version>3.0</version>
<interface>
<name>IKeymasterDevice</name>
<instance>default</instance>
</interface>
</hal>
<hal format="hidl">
<name>vendor.lineage.livedisplay</name>
<transport>hwbinder</transport>
<version>2.0</version>
<interface>
<name>IDisplayModes</name>
<instance>default</instance>
</interface>
<interface>
<name>IPictureAdjustment</name>
<instance>default</instance>
</interface>
</hal>
<hal format="hidl">
<name>vendor.qti.gnss</name>
<transport>hwbinder</transport>
<version>1.2</version>
<interface>
<name>ILocHidlGnss</name>
<instance>gnss_vendor</instance>
</interface>
</hal>
<hal format="hidl">
<name>vendor.qti.gnss</name>
<transport>hwbinder</transport>
<version>2.0</version>
<interface>
<name>ILocHidlGnss</name>
<instance>gnss_vendor</instance>
</interface>
</hal>
<hal format="hidl">
<name>vendor.qti.hardware.cryptfshw</name>
<transport>hwbinder</transport>
<version>1.0</version>
<interface>
<name>ICryptfsHw</name>
<instance>default</instance>
</interface>
</hal>
Lineage Recovery 17.1
TWRP Recovery 3.4.0.0
https://github.com/iodeOS/ota/releases/download/v1-akari/twrp-3.4.0-0-akari.img
Fastboot Installing
fastboot --disable-verity --disable-verification flash vbmeta stock_vbmeta.img
fastboot flash boot boot.img
fastboot flash system system.img
fastboot -w reboot
The Xperia XZ2 and at least an unofficial /e/ OS ‘Q’ should be feasible for a skilled ROM builder.