The Sony Xperia Z3, Z3 Compact, Z2 and Z have all been updated to the latest Android 5.0 Lollipop and now, users of the aforementioned devices are beginning to look forward to the upcoming Android 5.1 update.
Now, more information on this have surfaced after T-Mobile went public to confirm that they are indeed testing out the Android 5.1.1 firmware on the Z3 and Z1. T-Mobile claims that they have just received the firmware from Sony and are running the test immediately.
At this rate, Xperia Z-series users can look forward to the more stable version of the Android Lollipop coming out possibly in late June or early July. Whatever it is, the update is bound to arrive before September since October will see the launching of the next Android OS.
