A new 14.4.A.0.133 firmware has been certified for Xperia Z1, Xperia Z Ultra and Xperia Z1 Compact on PTCRB. Sony has already updated these Xperia handset to Android 4.4.4 KitKat. 14.4.A.0.133 seems a minor bug fixing update only over current build 14.4.A.0.108 firmware.
14.4.A.0.118 firmware saw a limited release on a few carrier Xperia Z1 devices. Hopefully we will see this time a global rollout of 14.4.A.0.133 firmware. Almost for all variants of above mentioned devices, 14.4.A.0.133 firmware is certified.
[ UPDATE ] Xperia Z1 14.4.A.0.133 firmware update rolling on carrier handsets14.4.A.0.133 firmware
Below you can see 14.4.A.0.133 firmware certification details for Xperia Z1 C6902, C6903, C6906 variants.
Below you can see 14.4.A.0.133 firmware certification details for Xperia Z Ultra C6802, C6833, C6843, C6806 variants.
Below you can see 14.4.A.0.133 firmware certification details for Xperia Z1 Compact D5503
We will keep you updated as soon as 14.4.A.0.133 firmware starts rolling globally. Let us know if you are facing any annoying bugs on present android 4.4.4 firmware. Drop your comments below.