Samsung Galaxy S26 Ultra SM-S948C firmware

The latest firmware for Samsung Galaxy S26 Ultra (SM-S948C) is S948CONU1BZJA with Android 17, released on October 20, 2026 for 2 regions (CSC). Every official firmware build for SM-S948C, newest first: one row per build with all regions (CSC) that received it.

Latest build
S948CONU1BZJA Android 17 · 24 days ago
Builds
8 builds
Regions (CSC)
2 regions

Firmware builds for SM-S948C

Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/S948CONU1BZJA

SM-S948C update history

SM-S948C started on Android 16 and has received 1 major Android upgrade; it now runs Android 17. The upgrade to Android 17 started rolling out on October 13, 2026. The newest build, S948CONU1BZJA, was released on October 20, 2026. Over the last 12 months SM-S948C received 8 builds, spread over 7 different months. Samsung guarantees security updates for this model until February 13, 2033.

Device specifications

Launched with
Android 16.0
Display diagonal
17.5 cm (6.9")
Display resolution
3120 x 1440 pixels
RAM
12 GB
Rear camera resolution
200 MP
Rear camera type
Quad camera
Battery capacity
5000 mAh
Weight
214 g

Specifications of SM-S948B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Changelog for SM-S948C

One UI 9
Galaxy AI

Enhanced Now nudge
Now nudge provides helpful suggestions in more places throughout your Galaxy experience. In addition to the keyboard, suggestions will now appear in conversation notifications and in a floating button in the bottom right corner of the screen. There are also several new types of suggestions, like entering reservation details or addresses and saving places in Google Maps.

Focus on someone important
My FanCam lets you select a person in a video and follow...

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

New firmware for other devices

All latest builds

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-S948C?

The newest firmware for SM-S948C runs Android 17: build S948CONU1BZJA, released on October 20, 2026.

When did SM-S948C get its last update?

The latest build for SM-S948C, S948CONU1BZJA, was released on October 20, 2026 (25 days ago).

How often does SM-S948C get updates?

Over the last 12 months SM-S948C received 8 builds, with at least one new build in 7 different months.

Is the firmware for SM-S948C official?

Yes, all firmware files for SM-S948C are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-S948C using Odin?

To flash SM-S948C, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.

Can I downgrade the Android version on SM-S948C?

Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-S948C.

Is this the stock ROM or flash file for SM-S948C?

Yes. Every build on this page is the official stock ROM for SM-S948C from Samsung's update server, the same package other sites call the flash file or the software update. It installs with Odin on a Windows PC.

Does flashing firmware remove the FRP lock on SM-S948C?

No. Factory Reset Protection is tied to the Google account that was on the phone and survives a firmware flash. Sign in with that account or use the legal options in our FRP guide.