Android 4.4.4 Kitkat happens to be the latest version of Android and it arrived just few days 4.4.3 update. While 4.4.3 roll out included lot many features, 4.4.4 happens to be a bug fix update. So that means that lot many problems existing on Android 4.4.2 has been still resolved. Hopefully upgrading your Sony phone to Android 4.4.4 Kitkat firmware will resolve your problem.
Sony Xperia 4.4.4 Kitkat roll out happens to be primarily bug fix update and many Sony Xperia phone are eligible for this update. Not only high-end XPeria phones launched in 2014 will be updated to 4.4.4 but also 2013 certain flagship will be included in this roll out.
Xperia Z1 Compact, Z Ultra, Xperia Z1 has already been updated to this latest Android version and needn't mentioned about Z Ultra GPE edition.
Here is the Sony Xperia 4.4.4 Kitkat eligible phones with update schedule with ETA.
Device Name | Eligible | ETA |
Sony Xperia Z2a | Yes | August 2014 |
Sony Xperia T3 | Yes | August 2014 |
Sony Xperia Z2 | Yes | July 2014 |
Sony Xperia T2 Ultra | Yes | August/Sept 2014 |
Sony Xperia T2 Ultra Dual | Yes | September 2014 |
Sony Xperia Z1 Compact | Yes | Available |
Sony Xperia Z Ultra (GPE) | Yes | Available |
Sony Xperia Z | Yes | N/A |
Sony Xperia ZL | Yes | N/A |
Sony Xperia ZR | Yes | N/A |
Sony Xperia Z Ultra | Yes | Available |
Sony Xperia Z1 | Yes | Available |
Sony Xperia Z1s | Yes | N/A |
Sony Xperia Z2 Tablet LTE | Yes | N/A |
Sony Xperia Z2 Tablet WiFi | Yes | N/A |
Also Read - HTC Android 4.4.4 Kitkat Schedule