Galaxy S23

Samsung Galaxy S23 SM-S911C firmware

The latest firmware for Samsung Galaxy S23 (SM-S911C) is S911CONU1FZIF with Android 17, released on November 5, 2026 for 1 region (CSC). Every official firmware build for SM-S911C, newest first: one row per build with all regions (CSC) that received it.

Latest build
S911CONU1FZIF Android 17 · 1 month ago
Builds
22 builds
Regions (CSC)
2 regions

Firmware builds for SM-S911C

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/S911CONU1FZIF

SM-S911C update history

SM-S911C started on Android 13 and has received 4 major Android upgrades; it now runs Android 17. The upgrade to Android 17 started rolling out on November 5, 2026. The newest build, S911CONU1FZIF, was released on November 5, 2026 with the October 2026 security patch. That patch (SMR Oct-2026) fixes 62 vulnerabilities, 9 of them critical. Over the last 12 months SM-S911C received 5 builds, spread over 5 different months. Samsung guarantees security updates for this model until January 13, 2028.

Device specifications

Launched with
Android 13
Display diagonal
15.5 cm (6.1")
Display resolution
2340 x 1080 pixels
RAM
8 GB
Rear camera resolution
50 MP
Rear camera type
Triple camera
Battery capacity
3900 mAh
Weight
168 g

Specifications of SM-S911B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Changelog for SM-S911C

One UI 9
Galaxy AI

Interpreter keeps your conversation in front of you
In conversation mode, you can scroll through the whole conversation while you’re still talking.

Productivity and multitasking

More customizable quick panel
You can now rearrange and customize the controls in your quick panel even more than before. You can change the size of the brightness and volume sliders as well as the media player. You can also separate the sound mode button from the volume slider.

Privacy, sec...

• 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.

One UI 8.0 (Android 16)
Galaxy AI

See calls on the screen
Call captions show what each person says on the screen in real time during calls. Follow the conversation on your screen to make sure you don’t miss anything.

Create unique pet portraits
Bring out your pet's personality with Portrait studio. You can now apply portrait effects to pictures of dogs and cats in addition to people. Choose from styles like Fisheye lens, oil painting, and more.

Translate emergency alerts
Never miss importa...

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

Show 14 older builds
One UI 7.0 Upgrade (Android 15)
Galaxy AI

Write like a pro
Let Galaxy AI help you with writing tasks by tapping the 4-star icon that appears whenever you select text. You can correct spelling and grammar, change tone, summarize, or apply formatting. You can even start with a short snippet and let the AI do the writing for you.

Transcribe and summarize recorded calls
It's easier than ever to review the content of your recorded calls in the Samsung Phone app. You can view the entire conversat...

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

One UI 6.1 Upgrade
Galaxy AI

Instantly search for anything on your screen
Circle to Search with Google lets you easily learn more about anything shown on your screen without switching apps. Just touch and hold the Home button or navigation handle, then circle anything on the screen to start a Google search.

Translate phone calls in real time
Need to call someone who doesn't speak your language? No problem! Live translate provides real-time translation during calls. The other person on the c...

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

One UI 6.0 Upgrade
Quick panel

New button layout
The quick panel has a new layout that makes it easier to access the features you use most. Wi-Fi and Bluetooth now have their own dedicated buttons at the top of the screen, while visual features, like Dark mode and Eye comfort shield have been moved to the bottom. Other quick settings buttons appear in a customizable area in the middle.

Instantly access the full quick panel
By default, a compact quick panel with notifications appears when yo...

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

New firmware for other devices

All latest builds

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Frequently Asked Questions

What is the latest Android version for SM-S911C?

The newest firmware for SM-S911C runs Android 17: build S911CONU1FZIF, released on November 5, 2026.

When did SM-S911C get its last update?

The latest build for SM-S911C, S911CONU1FZIF, was released on November 5, 2026 (9 days ago).

How often does SM-S911C get updates?

Over the last 12 months SM-S911C received 5 builds, with at least one new build in 5 different months.

Is the firmware for SM-S911C official?

Yes, all firmware files for SM-S911C are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-S911C using Odin?

To flash SM-S911C, 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-S911C?

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-S911C.

Is this the stock ROM or flash file for SM-S911C?

Yes. Every build on this page is the official stock ROM for SM-S911C 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-S911C?

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.