Sony has been on a roll lately with Android updates, now its the turn of the Xperia C3. We have started hearing that both the Sony Xperia C3 (D2533) and Xperia C3 Dual (D2502) have started receiving Android 5.1.1 Lollipop firmware. The updates for the dual-SIM variant is now available in India as well.
The company is going for a global release this time, based on the time of launch. If you haven't received the update yet, make sure to go into setting and check for software updates.
The new build number after the update comes to 19.4.A.0.182. Do hit us in the comments section with your experience after the update.
Source: Xperia Blog