Android 5.1 confirmed for Xperia T2 Ultra, C3, M2, M2 Aqua
Sony Mobile has confirmed that Android 5.1 Lollipop update is coming for the Xperia T2 Ultra, C1, M2, and M2 Aqua smartphones.
According to Sony, the Android 5.1 Lollipop update will arrive for the Xperia Z Series (Xperia Z, Xperia ZL, Xperia ZR, Xperia Tablet Z, Xperia Z1, Xperia Z1S, Xperia Z Ultra, Xperia Z1 Compact, Xperia Z2, Xperia Z2 Tablet, Xperia Z3, Xperia Z3v, Xperia Z3 Compact and Xperia Z3 Tablet Compact), as well as the Xperia T2 Ultra and Xperia C3 starting from July. After the initial roll out, Sony will then make it available for the Xperia M2 and Xperia M2 Aqua.
source: Sony Mobile