After a long awaiting of Android Lollipop for Xperia Z3, company has finally revealed that both T-Mobile Xperia Z3 and Z1s are under “Lollipop Testing”. So we can expect public release in the next coming weeks. The update news has been made official on T-Mobile support site.
T-Mobile has 3 phases on their site: manufacturer development, T-Mobile testing and then finally a completed status. So after the T-Mobile testing its roll out of Android 5.0 Lollipop update to T-mobile Xperia Z3 and Z1s smartphones. So only one step closer to the rollout, which is not too far.
The Lollipop update for Xperia Z3 may hit before the end of May and will include LTE Band 12 (700 MHz) support. It is not confirm that both T-Mobile Xperia Z3 and Z1s will receive the update at the same time. In any case, the update brings Android 5.0 OS version to the device.