Firmware updates for Sony Xperia Z (C6602) and Sony Xperia ZL is now available. The new update bring similar improvements over the system, signal and touch sensitivity, bug fixes and are still based on the Android 4.2.2 Jelly Bean. The updates are available both over-the-air and via the Sony PC companion.


There is no official change log on the updates, but some users have already compiled a list of all the notable changes.

  • More smooth Boot animation
  • Efficient RAM management
  • Home launcher is smoother, no more lag
  • Update Center has new UI
  • 3G Signal strength improved
  • Touch response is improved a lot
  • Faster sleep and wake
  • Low-light image quality improved
  • Changes in car mode app
  • High resolution image snapping while recording a non-HDR video
  • No screen flickering
  • No unusual battery reading bug

So, for what you are waiting for? Update Sony Xperia Z (C6602) and Sony Xperia ZL to latest version as soon as possible.

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