I9505XXUHQC1 – GALAXY S4 firmware

Build I9505XXUHQC1 is a – update for the GALAXY S4 (GT-I9505) on Android 5. It first appeared on Samsung's servers on Apr 18, 2017 (method) and has reached 5 regions so far. It raises the bootloader bit from 28 to 30: once installed, the device no longer accepts firmware with bit 28 or lower, so a downgrade to I9505XXSHQA4 is blocked. Samsung still serves this file.

Model
GT-I9505
Android
Android 5
Type
–
Bootloader bit
30
First released
Apr 18, 2017
Regions
5

Rollout timeline by region

The date each region code (CSC) first received I9505XXUHQC1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
MEOPortugal (MEO)Apr 18, 2017day 0I9505XXUHQC1/I9505MEOHQB1/I9505XXUHQC1
OPTPortugal (Optimus)Apr 26, 2017+8 daysI9505XXUHQC1/I9505OPTHQC2/I9505XXUHQC1
LUXLuxemburgMay 10, 2017+22 daysI9505XXUHQC1/I9505LUXHPL1/I9505XXUHQC1
TMNPortugal (MEO)May 15, 2017+27 daysI9505XXUHQC1/I9505TMNHQC1/I9505XXUHQC1
XEFFranceMay 22, 2017+34 daysI9505XXUHQC1/I9505QXXHQD2/I9505XXUHQC1

Download and release notes

samloader download -m GT-I9505 -r MEO -v I9505XXUHQC1/I9505MEOHQB1/I9505XXUHQC1

Samsung's release notes and security patch level for this update: GT-I9505 / MEO on doc.samsungmobile.com. What each part of the build number means: decode I9505XXUHQC1.