✓ Verified Hardware SM-G990B2 🔧 Stock Rom 📅 Jun 29, 2026

Samsung Galaxy S21 FE 5G (SM-G990B2) Factory Stock Firmware – Version G990B2XXSJIZF1 for Android 16

Verified firmware package • 8 GB • Released Jun 29, 2026 • Compatible with Android 16 • Stable Production Build.

⚡ Download Stock Firmware

SM-G990B2

Download genuine Galaxy S21 FE 5G stock firmware update (G990B2XXSJIZF1). This package contains the verified, unmodified factory ROM for model SM-G990B2 (Region: India (INS)), released directly by Samsung.

Firmware Package Specifications

Device: Galaxy S21 FE 5G
Model Code: SM-G990B2
Region / CSC: India (INS)
PDA / Build Number: G990B2XXSJIZF1
Operating System: Android 16
Security Patch Level: 2026-06-05
Release Date: 2026-06-29
Archive File Size: 7.95 GB (8,537,509,760 bytes)

Manufacturer Changelog & Security Fixes

Security
The device is protected with improved security.

Odin 4-File Flashing Slots

This firmware package includes all 4 standard factory Odin partitions for safe system recovery and unbricking:

BL (Bootloader): Flashes the bootloader and primary hardware initialization tables.
AP (System Image): Contains the system OS, vendor files, and One UI user interface.
CP (Modem / Phone): Flashes the cellular baseband radio and Wi-Fi modem firmware.
CSC (Carrier Config): Select CSC_* to perform a clean factory wipe, or select HOME_CSC_* to upgrade firmware without losing your photos, apps, or settings.

Quick flashing overview for Galaxy S21 FE 5G

Download & Extract: Download the verified G990B2XXSJIZF1 package for Galaxy S21 FE 5G (SM-G990B2) and extract the tar.md5 binaries.
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.

Verified Master Guide ⏱️ 7 min read

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Follow our verified, in-depth tutorial with detailed visual steps, prerequisite checklists, Download Mode instructions, and solutions for common errors.

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Platform Note: These instructions apply to systems running Android 16. Verify compatibility before proceeding.

Compatibility and scope

File type: Firmware
Version: G990B2XXSJIZF1
Supported OS: Android 16
System architecture: ARM64-V8A
Download size: 8 GB
Release date: Jun 29, 2026

Samsung Galaxy S21 FE 5G (SM-G990B2) firmware version G990B2XXSJIZF1 (Galaxy S21 FE 5G Factory Stock Firmware) supports Android 16 on ARM64-V8A systems.

📜 Galaxy S21 FE 5G Firmware Release History & Changelog Archive

Firmware update chronicle, OS version progression, and security patch trajectory for SM-G990B2 (Region: India (INS)):

38 Verified Builds

💡 Click Changelog details to expand verified release notes (Scroll horizontally on smaller screens →)

Build Number (PDA) & Changelog	Android OS	Release Date	Security Patch	Status
G990B2XXSJIZF1 Changelog details (2 notes) Security The device is protected with improved security.	Android 16	Jun 29, 2026	🛡️ Jun 2026	✓ Active
G990B2XXSJIZE1 Changelog details (2 notes) Security The device is protected with improved security.	Android 16	Jun 04, 2026	🛡️ May 2026	Previous
G990B2XXSIIZB2 Changelog details (2 notes) Security The device is protected with improved security.	Android 16	Mar 17, 2026	🛡️ Feb 2026	Previous
G990B2XXSHIZA1 Changelog details (2 notes) Security The device is protected with improved security.	Android 16	Jan 29, 2026	🛡️ Jan 2026	Previous
G990B2XXSGIYK2 Changelog details (2 notes) Security The device is protected with improved security.	Android 16	Dec 18, 2025	🛡️ Dec 2025	Previous
G990B2XXSGIYK1 Changelog details (2 notes) Security The device is protected with improved security.	Android 16	Nov 26, 2025	🛡️ Nov 2025	Previous
G990B2XXSFIYJ2 Changelog details (2 notes) Security The device is protected with improved security.	Android 16	Nov 11, 2025	🛡️ Oct 2025	Previous
G990B2XXUFIYJ1 Changelog details (10 notes) One UI 8.0 (Android 16) Productivity Check stock prices without unlocking Stocks you follow on Google Finance with big price changes will appear on your Now bar at the end of the trading day. Easier file sharing with Quick Share It's never been easier to send and receive files. Tap the Quick Share button in quick settings to get started. You can receive files while the Quick Share screen is open and send files to others directly from Quick Share. Sticky notes Add quick annotations on top of documents in Samsung Notes. There's no limit to the number of sticky notes you can add, and it's easy to remove them later without disturbing the original document. Find downloads fast You can now filter files based on the app that was used to download them. Works in the Downloaded and Recent views in My Files.	Android 16	Nov 03, 2025	🛡️ Sep 2025	Previous
G990B2XXSFHYI1 Changelog details (2 notes) Security The device is protected with improved security.	Android 15	Sep 29, 2025	🛡️ Sep 2025	Previous
G990B2XXSEHYH1 Changelog details (2 notes) Security The device is protected with improved security.	Android 15	Aug 21, 2025	🛡️ Aug 2025	Previous
G990B2XXSEHYG1 Changelog details (1 notes) The security of your device has been improved.	Android 15	Jul 22, 2025	🛡️ Jul 2025	Previous
G990B2XXSDHYF1 Changelog details (2 notes) Security The device is protected with improved security.	Android 15	Jun 18, 2025	🛡️ Jun 2025	Previous
G990B2XXSCHYE2 Changelog details (1 notes) The security of your device has been improved.	Android 15	May 26, 2025	🛡️ May 2025	Previous
G990B2XXUBHYDB Changelog details (10 notes) One UI 7.0 Upgrade (Android 15) Bold new look Visual enhancements Enjoy a more sophisticated and unique look. One UI 7 introduces a stunning redesign to key components including buttons, menus, notifications and control bars, providing a more consistent visual experience with curves and circles. Beautiful new colors, soft animations, and an innovative blur effect that's unique to One UI make information hierarchy clearer and help you focus on important information. Reimagined Home screen Fresh new app icons will look great on your Home screen with new visual metaphors and color schemes that make it easier to recognize the app you need. Widgets have been completely redesigned with more colorful images and more consistent layouts. Folders on your Home screen can also be made larger so you can instantly access apps without opening the folder first. Simplified Home screen grid Your Home screen now looks even better than before. A new standard grid layout keeps things symmetrical and makes it easier to use One UI widgets in standard sizes. Improved Home screen landscape view Get a more consistent look for your Home screen, even when using your phone horizontally. Widgets now have a similar aspect ratio in landscape view, and text labels appear below icons instead of beside them.	Android 15	May 12, 2025	🛡️ Apr 2025	Previous
G990B2XXSBGYC9 Changelog details (1 notes) The security of your device has been improved.	Android 14	Apr 07, 2025	🛡️ Apr 2025	Previous
G990B2XXSBGYC1 Changelog details (1 notes) The security of your device has been improved.	Android 14	Mar 18, 2025	🛡️ Mar 2025	Previous
G990B2XXSAGYB1 Changelog details (1 notes) The security of your device has been improved.	Android 14	Feb 27, 2025	🛡️ Feb 2025	Previous
G990B2XXSAGYA2 Changelog details (1 notes) The security of your device has been improved.	Android 14	Jan 16, 2025	🛡️ Jan 2025	Previous
G990B2XXSAGXL2 Changelog details (1 notes) The security of your device has been improved.	Android 14	Dec 26, 2024	🛡️ Dec 2024	Previous
G990B2XXUAGXK7 Changelog details (2 notes) Stability and reliability Device behavior has been improved.	Android 14	Dec 11, 2024	🛡️ Nov 2024	Previous
G990B2XXSAGXJ3 Changelog details (1 notes) The security of your device has been improved.	Android 14	Nov 12, 2024	🛡️ Nov 2024	Previous
G990B2XXS9GXJ1 Changelog details (1 notes) The security of your device has been improved.	Android 14	Oct 23, 2024	🛡️ Oct 2024	Previous
G990B2XXS8GXI1 Changelog details (1 notes) The security of your device has been improved.	Android 14	Sep 25, 2024	🛡️ Sep 2024	Previous
G990B2XXU8GXH2 Changelog details (5 notes) Circle to Search 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. Security The device is protected with improved security. ? After this update, the notification for choosing a search engine or a browser and search engine will appear in the notification panel. When you tap this notification, you can select the search engine or the browser and search engine you want to use.	Android 14	Aug 22, 2024	🛡️ Aug 2024	Previous
G990B2XXS8GXF3 Changelog details (1 notes) The security of your device has been improved.	Android 14	Jul 16, 2024	🛡️ Jul 2024	Previous
G990B2XXS7GXF1 Changelog details (1 notes) The security of your device has been improved.	Android 14	Jun 26, 2024	🛡️ Jun 2024	Previous
G990B2XXU7GXE1 Changelog details (1 notes) The security of your device has been improved.	Android 14	May 29, 2024	🛡️ May 2024	Previous
G990B2XXU6GXD6 Changelog details (10 notes) One UI 6.1 Upgrade Create epic images Effortlessly enhance your photos Get special AI recommendations for enhancing your photos and videos. You'll find options for adding star trails, colorizing, and more. Suggestions appear when you tap the i button in Gallery. Copy and paste from one image to another Add a missing element to your picture. Just clip an object from an image in Gallery, then go to the image where you want to paste it and choose Paste from clipboard in the More options menu. More accurate image clipping Get exactly the area you need to clip without any unwanted parts. When you clip an image in Gallery, you have the option of editing the selected area before you save it so you can get your selection just right. Improved Gallery search The search screen has been redesigned to make it easier to use. Results are now categorized by type, such as people, places, albums, or stories.	Android 14	May 16, 2024	🛡️ Apr 2024	Previous
G990B2XXS6FXD2 Changelog details (1 notes) The security of your device has been improved.	Android 14	Apr 22, 2024	🛡️ Apr 2024	Previous
G990B2XXS5FXC1 Changelog details (1 notes) The security of your device has been improved.	Android 14	Mar 21, 2024	🛡️ Mar 2024	Previous
G990B2XXS5FXA7 Changelog details (1 notes) The security of your device has been improved.	Android 14	Feb 16, 2024	🛡️ Feb 2024	Previous
G990B2XXS5FWL5 Changelog details (1 notes) The security of your device has been improved.	Android 14	Jan 17, 2024	🛡️ Jan 2024	Previous
G990B2XXS5FWL2 Changelog details (1 notes) The security of your device has been improved.	Android 14	Dec 28, 2023	🛡️ Dec 2023	Previous
G990B2XXU5FWK3 Changelog details (10 notes) One UI 6.0 Upgrade (Android 14) 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 you swipe down from the top of the screen. Swiping down again hides notifications and shows the expanded quick panel. If you turn on Quick settings instant access, you can view the expanded quick panel by swiping just once from the right side of the top of the screen. Swiping down from the left side shows notifications. Quickly access brightness control The brightness control bar now appears by default in the compact quick panel when you swipe down once from the top of the screen for quicker and easier brightness adjustments. Improved album art display While playing music or videos, album art will cover the entire media controller in the notification panel if the app playing the music or video provides album art.	Android 14	Dec 12, 2023	🛡️ Nov 2023	Previous
G990B2XXS5EWJB Changelog details (1 notes) The security of your device has been improved.	Android 13	Nov 29, 2023	🛡️ Nov 2023	Previous
G990B2XXU5EWH5 Changelog details (2 notes) Stability and reliability Device behavior has been improved.	Android 13	Sep 21, 2023	🛡️ Aug 2023	Previous
G990B2XXS5EWH4 Changelog details (1 notes) The security of your device has been improved.	Android 13	Aug 21, 2023	🛡️ Aug 2023	Previous
G990B2XXU5EWG3 Changelog details (1 notes) The security of your device has been improved.	Android 13	Jul 26, 2023	🛡️ Jul 2023	Previous

Support & Repair Information

🛠️ Need Hardware Repair or Diagnostic Assistance?

If your Galaxy S21 FE 5G 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 Certified battery health diagnostics and fresh battery replacement.

📍 Service Center Locator Locate verified walk-in service desks in your city or region.

📞 Care Helpline & Booking Schedule a doorstep pickup or speak with a certified technician.

📋 Package Specifications & Build Details

Verified firmware binary structure and component tags for Galaxy S21 FE 5G:

✓ Verified Build

Build Number (PDA) G990B2XXSJIZF1

CSC Build Code G990B2ODMJIZF1

Baseband / Modem (CP) G990B2XXSJIZE2

Operating System Android 16

Release Date June 29, 2026

Security Patch Level 🛡️ June 2026

Package Format 📦 4-File Factory Binary (.zip)

Total Package Size 💾 7.95 GB

Archive Structure & Odin Slot Guide

BL: Bootloader binary

AP: System core & recovery

CP: Modem & baseband

CSC: Regional carrier configuration

✨ Build Highlights

Security
The device is protected with improved security.

Frequently asked questions

Quick Answers

When should I update firmware on Galaxy S21 FE 5G?

One UI firmware updates provide Android security patches, new operating system features, bug fixes, and battery optimizations.

How can I update firmware on Galaxy S21 FE 5G?

You can update over-the-air (OTA) via Settings → Software update, or perform a complete verified system update via PC using Samsung Smart Switch.

Will updating firmware erase my user data?

Standard OTA and Smart Switch updates preserve your user data. However, performing a full backup before major OS updates is always recommended.

Download Galaxy S21 FE 5G Factory Stock Firmware

Verified package for Galaxy S21 FE 5G • Version G990B2XXSJIZF1 • Released Jun 29, 2026:

⚡ High-Speed Download (8 GB) 📱 Odin-Ready ZIP 📦 4-File Factory Binary 🌐 Dual Cloud Mirrors

🔒 SHA-256 Verified ⚡ Fast Cloud Delivery 🛡️ 100% Clean & Verified ✓ Factory Stock Package

⚡

Odin Flashing Toolkit & Slot Guide

✓ Official 4-File Binary

To flash this official stock ROM package on Galaxy S21 FE 5G (SM-G990B2), use the verified companion tools and slot mapping below:

🛠️ Odin Flash Tool v3.14.4 Official Windows flashing utility for Samsung Android firmware.

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 S21 FE 5G Factory Stock Firmware Version History & Available Releases

Verified Releases

All verified releases for Galaxy S21 FE 5G Factory Stock Firmware are listed below in chronological version order for rollback and OS compatibility:

⇄ Swipe horizontally to see full version details

Version	Status	File Size	Release Date	Action
vG990B2XXSJIZF1	Latest Release (Viewing Now)	8 GB	Jun 29, 2026	Active Page
vG990EXXSNHZF5	Previous Release	8 GB	Jun 29, 2026	View Version →

Hardware & Repair Support

Experiencing Hardware Damage or Component Failure on Galaxy S21 FE 5G?

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

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Authorized Repair Network

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