New firmwares i.e 18.1.A.1.21, 18.2.A.1.18 firmware have been certified for Xperia T3 on PTCRB, both updates are minor udpates looking at their build keeping Xperia T3 on Android 4.4.2. Both LTE and HSPA+ variant of Xperia T3 have got new firmware certification.
Xperia T3 18.1.A.1.21 firmware is certified for D5103, D5106 LTE variant of device, moving it from present 18.1.A.1.17 firmware build. 18.2.A.1.18 firmware is certified for Xperia T3 D5102 / M50w HSPA+ variant.
Below you can see 18.2.A.1.18 firmware certification on PTCRB.
Below you can see 18.1.A.1.21 firmware certification on PTCRB.
We will keep you updated as when firmware rollout starts.
Let us know if you are facing any bugs on present firmware on Xperia T3. Drop your comments below.