Z400FDDU0BQK3 – Samsung Z4 firmware

Build Z400FDDU0BQK3 is a feature update for the Samsung Z4 (SM-Z400F) on –. It first appeared on Samsung's servers on Dec 13, 2017 (method) and has reached 1 region so far. It keeps bootloader bit 0, so downgrading to the previous build Z400FDDU0BQI1 is still possible. Samsung still serves this file.

Model
SM-Z400F
Android
–
Type
Feature
Bootloader bit
0
First released
Dec 13, 2017
Regions
1

Rollout timeline by region

The date each region code (CSC) first received Z400FDDU0BQK3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaDec 13, 2017day 0Z400FDDU0BQK3/Z400FODD0BQK3/Z400FDDU0AQH2

Download and release notes

samloader download -m SM-Z400F -r INS -v Z400FDDU0BQK3/Z400FODD0BQK3/Z400FDDU0AQH2

Samsung's release notes and security patch level for this update: SM-Z400F / INS on doc.samsungmobile.com. What each part of the build number means: decode Z400FDDU0BQK3.