Sony has announced that it has starting rolling out its Android 5.1 Lollipop upgrade for the Xperia Z3 and Xperia Z2 series of devices.

For this batch the Xperia Z3, Xperia Z3 Compact, Xperia Z3 Tablet Compact, Xperia Z2 and Xperia Z2 Tablet will get the mentioned upgrade and will include the following improvements:
• Increased customisation options – so you have even more control over the way volume, silent modes and your alerts function
• Brand new LinkedIn integration – be more productive with intuitive contact synchronisation in your Calendar
• Camera improvements – with faster, more accurate Superior Auto Mode focus for great images, regardless of conditions
• Enhanced enterprise support – with our latest Xperia in Business features for work
• SmartWear integration – selfie snapping made that bit easier, with SmartWatch 3 as a remote shutter button
The next devices to receive Android 5.1 in the coming weeks are the Xperia Z1 Compact and Xperia Z Ultra, followed by the Xperia T2 Ultra and Xperia C3, then the Xperia Z Series, Xperia M2 and Xperia M2 Aqua.
source: Sony

Why do you need raw? Raw produces to about 20 MB photos. if you need support for raw better buy an SLR where you can adjust all manual settings. if you don’t find that ideal and you want portability. They have the Alpha cameras. Sony A5000 cause 22K with all the functionality of a mirrorless cam. Raw is basically not useful for casual shooter.