Sony Mobile has confirmed that the Android 5.0.2 Lollipop update will commence rollout for the Xperia C3 and Xperia T2 Ultra next week (w/c 20 April 2015). This will include the update for dual SIM versions of both handsets.
Owners of the original Xperia Z series (including the Z, ZL, ZR and Tablet Z), will see Lollipop “in few weeks” according to Sony. We’ll keep you posted once it starts to roll out.