Japanese mobile phone maker Sony Mobile has reportedly started to push out the Android 4.2.2 Jelly Bean operating system upgrade to the owners of Xperia ZR (C550X) smartphones out there, at least this is what some of those who have already received it suggest.
The update has landed on their devices as firmware version 10.3.1.A.0.244, being the same build as the one that is currently rolling out to Xperia Z and Xperia ZR handsets out there, a recent post on XperiaBlog reads.
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