Sony Xperia Z1, Z Ultra and Z1 Compact New Android 4.4.2 KitKat 14.3.A.0.757 Firmware Update Rolling Out to Fix Android KitKat Bugs

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Sony Mobile is rolling out new firmware 14.3.A.0.757 for Xperia Z1, Xperia Z Ultra and Xperia Z1 Compact that contain bug fixing patches to resolve issues found in the Android KitKat firmware.

Sony Xperia Z1, Z Ultra and Z1 Compact Bugs

Last week, owners of Sony Xperia Z1, Xperia Z Ultra and Xperia Z1 Compact found a terrible bug in which the external speakers are not producing any sound from the music player or ringtone notifications.

This critical bug has been found on the initial Android 4.4.2 KitKat update released by Sony Mobile for the three Xperia Z smartphones. Sony Mobile promised to release another update that contains all necessary patches to fix the critical bug.

In addition to the sound bug, Xperia Z1, Xperia Z Ultra and Xperia Z1 Compact may also have overheating issues, huge battery drain not found in Android 4.3 Jelly Bean firmware and slow camera performance wherein lags may happen inside the camera app.

New Android 4.4.2 KitKat

Sony Mobile is now rolling out a new firmware for Xperia Z1, Xperia Z Ultra and Xperia Z1 Compact with build number 14.3.A.0.757 to fix bugs found on the Android KitKat 14.3.A.0.681. Bug fixing patches delivered by the new firmware will resolve major issues such as no sound coming out of the external speaker, overheating issues, huge battery drain and slow camera performance.

The new firmware update is compatible with Xperia Z1 C6902 and C6903, Xperia Z Ultra C6833 and Xperia Z1 Compact D5503 variants in various regions worldwide. Owners should use the Sony PC Companion for Windows or Sony Bridge for MAC or Sony Update Service to update the device.

Regions currently receiving the new Android 4.4.2 KitKat firmware:

Sony Xperia Z1Austria
Germany
Hungary
India
Poland
The Netherlands
Slovakia
Sweden
Sony Xperia Z UltraGermany
Russia
Singapore
Spain
Sweden
United Kingdom
Sony Xperia Z1 CompactAustria
China
France
Germany
Israel
Italy
The Philippines

 

Android 4.4.2 KitKat 14.3.A.0.757 for Sony Xperia Z1, Xperia Z Ultra and Xperia Z1 Compact has a size of at least 1000 MB or 1 GB which requires a huge amount of internal storage space. Users should check the smartphone for enough storage space before any updates can be performed and should not interrupt the process to avoid corrupting the firmware.

Photo Source: Sony Mobile

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