Device Profile SM-S921U1 🇺🇸 USA (XAA) 🔧 Stock Rom 📅 Oct 21, 2026

Samsung Galaxy S24 (SM-S921U1) USA Stock Firmware – Version S921U1UEU6EZIF for Android 17

Firmware package • 13 GB • Released Oct 21, 2026 • Compatible with Android 17

SM-S921U1

Download official Galaxy S24 (SM-S921U1) factory stock firmware update (S921U1UEU6EZIF). This genuine Samsung Odin package contains the verified, unmodified factory OS for region United States – Factory Unlocked (XAA), hosted directly on the Samsung Mass Storage CDN.

Firmware Package Specifications

Device: Galaxy S24
US Hardware Model: SM-S921U1
Region / Carrier CSC: United States – Factory Unlocked (XAA)
Build / PDA Number: S921U1UEU6EZIF
Operating System: Android 17
Security Patch Level: 2026-09-05
Release Date: 2026-10-21
Archive File Size: 13.24 GB (14,214,273,584 bytes)

Included Odin 4-File Partition Slots

This official Samsung firmware archive provides all 4 standard Odin partitions for clean unbricking or system recovery:

BL (Bootloader): BL_S921U1UEU6EZIF_S921USQU6EZIF_MQB115111482_REV00_user_low_ship_MULTI_CERT.tar.md5
AP (System Image): AP_S921U1UEU6EZIF_S921USQU6EZIF_MQB115111482_REV00_user_low_ship_MULTI_CERT_meta_OS17.tar.md5
CP (Modem / Radio): CP_S921U1UEU6EZIF_CP36507554_MQB115111482_REV00_user_low_ship_MULTI_CERT.tar.md5
CSC (Carrier Config): CSC_OYM_S921U1OYM6EZIF_MQB115111482_REV00_user_low_ship_MULTI_CERT.tar.md5
HOME_CSC (No-Wipe Upgrade): HOME_CSC_OYM_S921U1OYM6EZIF_MQB115111482_REV00_user_low_ship_MULTI_CERT.tar.md5 — Flashing with HOME_CSC retains user data and applications.

Manufacturer Changelog & Security Fixes

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 addresses or saving places in Google Maps.
Focus on someone important
My FanCam lets you select a person in a video and follow them automatically while cropping out the rest of the video.
Interpreter keeps your conversation in front of you
In conversation mode, you can scroll through the whole conversation while you’re still talking.
See useful information during calls
See relevant events and other information related to your current call on the call screen.

United States Carrier & Flashing Compatibility

The XAA (Factory Unlocked) package is completely free of carrier bloatware and carrier-specific network locks. It can be safely flashed to restore unbranded factory stock status on compatible US hardware. Ensure Samsung USB drivers are installed and device has at least 50% battery before flashing with Odin.

Quick flashing overview for Galaxy S24

Download & Extract: Confirm the model and source of the S921U1UEU6EZIF package for Galaxy S24 (SM-S921U1). Extract the archive according to its included instructions.
Boot Download Mode: Turn off device. Hold Volume Down + Volume Up simultaneously while connecting the USB-C cable to your PC, then press Volume Up at the turquoise warning screen.
Odin Slot Mapping: Open Odin 3.14.4 as Administrator. Assign BL, AP, CP, and CSC slots (HOME_CSC to preserve personal data, or CSC for a clean factory wipe).
Execute & Reboot: Click Start in Odin. Await the green PASS! confirmation (approx. 4–7 minutes) until your device automatically restarts.

Installation Guide ⏱️ 7 min read

Need the Complete Odin Firmware Flashing Guide?

Read the installation guide for prerequisites, download steps and common troubleshooting checks.

Read In-Depth Guide →

Platform Note: These instructions apply to systems running Android 17. Verify compatibility before proceeding.

Compatibility and scope

File type: Firmware
Version: S921U1UEU6EZIF
Supported OS: Android 17
System architecture: ARM64
Download size: 13 GB
Release date: Oct 21, 2026

Samsung Galaxy S24 (SM-S921U1) firmware version S921U1UEU6EZIF (Galaxy S24 USA Stock Firmware) supports Android 17 on ARM64 systems.

Support & Repair Information

🛠️ Need Hardware Repair or Diagnostic Assistance?

If your Galaxy S24 is experiencing physical damage, battery degradation, screen flickering, charging port faults, or motherboard issues that cannot be resolved through software or user manuals, contact support assistance:

💻 Screen & Display Repair Original AMOLED/LCD display replacement with genuine parts.

🔋 Battery Replacement Battery health diagnostics and replacement options.

📍 Service Center Locator Find walk-in service locations in your city or region.

📞 Care Helpline & Booking Check available contact and booking options.

Download Galaxy S24 USA Stock Firmware

Package listed for Galaxy S24 • Version S921U1UEU6EZIF • Released Oct 21, 2026:

📦 Listed file size: 13 GB 🌐 1 Download Source

Check source and compatibility before installing

⚡

Odin Flashing Toolkit & Slot Guide

Firmware package details

Before flashing a firmware package on Galaxy S24 (SM-S921U1), confirm the exact model, package source and tool instructions:

🛠️ Odin Flash Tool v3.14.4 Windows flashing utility used with some Samsung Android firmware packages.

Download & Guide →

🔌 Samsung USB Driver Enables PC detection in Download Mode (Odin ID:COM port).

Download USB Drivers →

🛡️ Samsung Smart Switch Full desktop device backup before performing a firmware flash.

Download Smart Switch →

Odin 4-File Slot Mapping

BL (Bootloader) Select file starting with BL_...

AP (System Image) Select file starting with AP_...

CP (Modem / Radio) Select file starting with CP_...

CSC or HOME_CSC HOME_CSC retains data; CSC wipes device.

⚠️ Pro Caution: Ensure your battery is charged above 50% and do not unplug the USB cable until the green PASS! message appears in Odin.

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📁 Galaxy S24 USA Stock Firmware Version History & Available Releases

Listed Releases

Listed releases for Galaxy S24 USA Stock Firmware appear below. Check version support before installing or rolling back:

⇄ Swipe horizontally to see full version details

Version	Status	File Size	Release Date	Action
vS921EXXS3CZH2	Latest Release	16 GB	Sep 01, 2026	View Version →
vS921U1UEU6EZIF	Previous Release (Viewing Now)	13 GB	Oct 21, 2026	Active Page
vS921BXXSHDZH3	Previous Release	16 GB	Sep 01, 2026	View Version →

Hardware & Repair Support

Experiencing Hardware Damage or Component Failure on Galaxy S24?

If software flashing or driver installation does not resolve your device issue, compare screen, battery, and motherboard replacement costs or find a service center.

💰 View Spare Parts Price → 📍 Locate Service Center →

Authorized Repair Network

Ready to Repair Galaxy S24?

Browse Samsung service-center listings and contact the provider to confirm services, parts and opening hours.

📍 Locate Nearest Service Center →

Popular Service Cities: Delhi • Mumbai • Bengaluru • Kolkata • Chennai • Hyderabad • Ahmedabad • Pune

Looking for other versions or file types?
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