Sony has now uploaded a new set of 5.1 Lollipop AOSP binaries for the company’s first 64-bit devices. These are the Xperia Z3+, Xperia Z4 Tablet and Xperia Z4 Tablet WiFi.
The company also uploaded a repository for the Xperia M4 Aqua, which is also a 64-bit phone, but it cannot be unlocked at this point in time. All of these Xperia devices are based on Qualcomm’s Snapdragon 810 SoC, which is built from four 64-bit ARM Cortex-A57 and four Cortex-A53 CPU cores, except for the M4 Aqua that comes with aSnapdragon 615.
Tgis will allow the custom ROM community to start working on their customized AOSP based creations for these devices. However, according to Sony it could have some stability issues and some important functions may be disabled with these builds.