At the start of this month, Sony had rolled out Android 6.0 upgrade for Xperia Z5, Xperia Z5 Compact and Xperia Z5 Premium exclusively in Japan through DoCoMo service provider. Sony Mobile UK had promised that the Android 6.0 software update would be available for owners of Xperia Z5 series, Xperia Z3+ and Xperia Z4 Tablet from March 7 and now, the OTA update for these devices are available.
According to Xperia Blog, the global variants of Xperia Z5 lineup are now receiving Android 6.0 Marshmallow update. The upgrade that has a build number of 32.1.A.1.163 brings along the security patches of February 2016. The publication has further stated that the STAMINA mode is unavailable in this update but it is likely to arrive in the forthcoming firmware update.
Also, the update does not include support for adoptable storage. It means users will not be able to add a microSD card on the device for more storage.
Sony had released Xperia Z3+ and Xperia Z4 Tablet in the first half of the previous year with Android 5.0 Lollipop OS. Now, the variants of Xperia Z3+ smartphone with model numbers (E6553 – single SIM) and (E6533 – dual-SIM) are now receiving Android 6.0 Marshmallow update.
As far as Xperia Z4 Tablet is concerned, users of the Wi-Fi (SGP712) and LTE (SGP771) models are currently receiving Android 6.0 update. The build number of Android 6.0 for Xperia Z3+ and Z4 Tablet is 32.1.A.1.163. It is the same version that has been released for Sony Xperia Z5 lineup.
Sony is currently running the Xperia Beta Program that allows owners of Xperia Z3, Xperia Z3 Compact, and Xperia Z2 to test beta edition of Android 6.0 and provide feedback on its performance. Sony is now heavily pegged to release the Android M for these smartphones very soon.