Samsung Z4 in South Africa gets new software / firmware update - BQG2

Efe Udin
Sep 6, 2017

Samsung Z4 is the fourth product of Samsung-Tizen smartphones and was released in May 2017 at the Tizen Developer Conference 2017. Since then, three firmware versions have been developed for this 64-bit Tizen 3.0 touting device and all these versions are from India.  Now, a fourth version is available online for download and this time, it is not for India but South Africa.


Two months after the official release of Samsung Z4, this smartphone was unveiled in South Africa. The first Samsung Z4 with the model number SM-Z400Y, as India got the SM-Z400F, to receive Tizen 3.0 firmware version with the product code XFE. This firmware has version number PDA Z400YXXU0BQG2 and CSC Z400YOJV0BQG2.


Manual Check

If you do not get automatically prompted to update your firmware, you can manually check by using the steps below:

  • Select Settings
  • Select About Device
  • Select Software Update
  • Select Check for updates

Manually Flashing

Below is a video that shows you how you manually flash a downloaded firmware file to your Samsung Z4.

Note: You should ONLY do this if you know what you are doing and understand the consequences ie Your device may never work again.


As a reminder, the Samsung Z4 is powered by the latest Tizen 3.0 mobile operating system. At its heart, we have a Spreadtrum Quad Core 1.5 GHz SC9830 CPU with 1GB of RAM and a MALI 400 MP2 GPU. Tizen 3.0, which is a 64-bit OS, takes full advantage of the Spreadtrum quad-core processor. This is a dual SIM mobile SM-Z400F/DS that supports CAT 4 LTE connectivity with a download and upload speeds of up to 150/50 MBps. On the photography side, we have a F/2.2 aperture 5MP camera on BOTH the front and the back. The back benefits from a dual-LED flash, whilst the front has a unique single LED flash.

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