Samsung Galaxy S23 S911CONU1EZE2 Firmware
Samsung Galaxy S23 S911CONU1EZE2 is an Android 16 firmware for RKT, SJP. It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build S911CONS1DZB4 https://samfirm.shop/build/S911CONS1DZB4: security patch 2026-04-05 instead of 2026-02-05. A newer build for SM-S911C is available: S911CONS1EZH1 https://samfirm.shop/build/S911CONS1EZH1.
Bootloader binary 1. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
All regional downloads
Pick your region (CSC) to download the matching firmware package.
How to flash S911CONU1EZE2
- S911CONU1EZE2 has bootloader binary 1. Your device must run binary 1 or lower: it is the 5th character from the end of your current build number.
- CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
- HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
- The Download Mode key combo depends on the model: see all combos.
What's new in S911CONU1EZE2
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
Security patch: April 2026
SMR Apr-2026 fixes 44 vulnerabilities, 14 of them critical. Android Security Bulletin: 33, Samsung Semiconductor: 4, Samsung-specific issues (SVE): 7.
Most severe Samsung fixes:
- high Improper check for exceptional conditions in Device Care prior to SMR Apr-2026 Release 1 allows physical attackers to bypass Knox Guard. (CVE-2026-21007)
- high Improper input validation in Retail Mode prior to SMR Apr-2026 Release 1 allows local attackers to trigger privileged functions. (CVE-2026-21010)
Rollout of S911CONU1EZE2 by region
Samsung released this build in all regions (2) on the same day, June 22, 2026.
Device specifications
- Launched withAndroid 13
- Display diagonal15.5 cm (6.1")
- Display resolution2340 x 1080 pixels
- RAM8 GB
- Rear camera resolution50 MP
- Rear camera typeTriple camera
- Battery capacity3900 mAh
- Weight168 g
Specifications of SM-S911B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
Frequently Asked Questions
Other builds and changelog for Samsung Galaxy S23
• 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.
- S911CONS1EZG1Aug 18, 2026
- S911CONU1EZE2Jun 22, 2026
- S911CONS1DZB4Apr 1, 2026
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.
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...
Show 13 older builds
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
- S911CONU1BYB1Mar 13, 2025
- S911CONS1BYA1Feb 12, 2025
- S911CONU1BXK4Dec 26, 2024
- S911CONS1BXJ1Nov 18, 2024
- S911CONU1BXH7Sep 26, 2024
- S911CONS1BXFAAug 1, 2024
- S911CONS1BXE3Jul 9, 2024
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.
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.
- S911CONU1AWH7Sep 14, 2023
- S911CONU1AWG2Aug 7, 2023
- S911CONU1AWEAJul 3, 2023