Samsung Z4

Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.

ModelSold inFirmwareLatest build

SM-Z400YSold in2 countriesFirmware4 CSCs · 7 buildsLatest buildZ400YXXU0BRG1 · Jul 2, 2018→

SM-Z400FSold inIndiaFirmware1 CSC · 6 buildsLatest buildZ400FDDU0BRB1 · Feb 28, 2018→

One UI and Android versions of the Z4, with the first release of each.

1. Feb 2018

   Android 3

   First firmware build: Z400FDDU0BRB1 (SM-Z400F)

2. Jun 2017

   Android 6

   First firmware build: Z400FDDU0BQG1 (SM-Z400F)

3. Apr 2017

   Android 2

   First firmware build: Z400YXXU0AQD6 (SM-Z400Y)

4. Apr 2017

   Android 7

   First firmware build: Z400FDDU0AQD7 (SM-Z400F)

As published by Samsung for the SM-Z400F; other model codes can differ (chipset, network bands).

Sold in 5 countries.