S936USQSCCZF9 – Galaxy S25+ firmware

Build S936USQSCCZF9 is a security update for the Galaxy S25+ (SM-S936U) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 31, 2026 (method) and has reached 9 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to S936USQSBCZF5 is blocked. Samsung still serves this file.

Model
SM-S936U
Android
Android 16
Type
Security
Bootloader bit
12
First released
Aug 31, 2026
Regions
9

Rollout timeline by region

The date each region code (CSC) first received S936USQSCCZF9, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XAAUSA (unlocked)Aug 31, 2026day 0S936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9
ATTUSA (AT&T)Aug 31, 2026day 0S936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9
DSAUSAAug 31, 2026day 0S936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9
DSHUSAAug 31, 2026day 0S936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9
TMBUSA (T-Mobile)Aug 31, 2026day 0S936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9
TMKUSA (MetroPCS)Aug 31, 2026day 0S936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9
USCUSA (US Cellular)Aug 31, 2026day 0S936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9
CCTUSA (Comcast)Sep 1, 2026+1 dayS936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9
VZWUSA (Verizon)Sep 1, 2026+1 dayS936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9

Download and release notes

samloader download -m SM-S936U -r XAA -v S936USQSCCZF9/S936UOYNCCZF9/S936USQSCCZF9

Samsung's release notes and security patch level for this update: SM-S936U / XAA on doc.samsungmobile.com. What each part of the build number means: decode S936USQSCCZF9.