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Sony UK will start rolling out the Android 6.0 Marshmallow update to a number of Xperia devices starting from March 7 and according to reports, the build number of the software will be 32.1.A.0.434. The first device that will receive it will be the Xperia Z3+, then the Xperia Z5 line and Xperia Z4 tablet will follow. But there will be many other Xperia devices eligible to be upgraded and we’ll tell you more about them below.

Back in December 2015, Android Authority has reported that the Z4, Z5 and Z5 Premium appeared in the Wi-Fi certification database with Marshmallow firmware installed on them, and this pointed out to an imminent release of the update. However, at the beginning of February, the some of the Z3, Z3 Compact, Z2 in Italy, Spain and Netherlands were included in the new beta program and after the tests were over, the Marshmallow update started rolling out to these devices all over the world.

The list of Xperia devices that have been approved to receive the latest update (they’ll skip Android 5.1.1 Lollipop) continues with the Xperia Z4 Tablet, Xperia C4, Xperia C5 Ultra, Xperia M4 Aqua, Sony Xperia Z3+ and Xperia M5, but later this year, Marshmallow will become available for the Xperia Z3, Xperia Z3+, Xperia M5, Xperia Z4 Tablet, Xperia Z3 Tablet Compact, Xperia Z3 Compact, Xperia Z2, Xperia Z2 Tablet, Xperia M4 Aqua, Xperia C4, Xperia C5 Ultra, Xperia Z5, Xperia Z5 Compact and Xperia Z5 Premium, in this order.

Unfortunately, the Xperia Z1 and Xperia Z1 Compact, which were released in 2013, and the first Xperia Z series, will never receive the latest firmware, but the users can install Android 6.0.1 CM13 Marshmallow Custom Firmware on the Xperia Z or the Unofficial Pure Android Marshmallow ROM (created by XDA dev Ev3rtH) on the Xperia Z1.