I9515XXU1BPK4 – GALAXY S4 firmware

Build I9515XXU1BPK4 is a feature update for the GALAXY S4 (GT-I9515) on Android 5. It first appeared on Samsung's servers on Dec 12, 2016 (method) and has reached 1 region so far. It keeps bootloader bit 1, so downgrading to the previous build I9515XXU1BPK3 is still possible. Samsung still serves this file.

Model
GT-I9515
Android
Android 5
Type
Feature
Bootloader bit
1
First released
Dec 12, 2016
Regions
1

Rollout timeline by region

The date each region code (CSC) first received I9515XXU1BPK4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
PHESpainDec 12, 2016day 0I9515XXU1BPK4/I9515PHE1BPK2/I9515XXU1BPK4

Download and release notes

samloader download -m GT-I9515 -r PHE -v I9515XXU1BPK4/I9515PHE1BPK2/I9515XXU1BPK4

Samsung's release notes and security patch level for this update: GT-I9515 / PHE on doc.samsungmobile.com. What each part of the build number means: decode I9515XXU1BPK4.