S948CONS1AZCL – Galaxy S26 Ultra firmware
Build S948CONS1AZCL is a security update for the Galaxy S26 Ultra (SM-S948C)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Apr 13, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 1, so downgrading to the previous build S948CONU1AZCF is still possible. Samsung still serves this file.
- Model
- SM-S948C
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 1
- First released
- Apr 13, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received S948CONS1AZCL, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
RKT | Japan (Rakuten) | Apr 13, 2026 | day 0 | S948CONS1AZCL/S948CQKT1AZCL/S948CONS1AZCL |
Download and release notes
samloader download -m SM-S948C -r RKT -v S948CONS1AZCL/S948CQKT1AZCL/S948CONS1AZCLSamsung's release notes and security patch level for this update: SM-S948C / RKT on doc.samsungmobile.com. What each part of the build number means: decode S948CONS1AZCL.