✓ Verified Hardware SM-G781B 🔧 Stock Rom 📅 Oct 30, 2025

Samsung Galaxy S20 FE 5G (SM-G781B) Factory Stock Firmware – Version G781BXXSIHYJ4 for Android 13

Verified firmware package • 7 GB • Released Oct 30, 2025 • Compatible with Android 13 • Stable Production Build.

⚡ Download Stock Firmware

SM-G781B

Download genuine Galaxy S20 FE 5G stock firmware update (G781BXXSIHYJ4). This package contains the verified, unmodified factory ROM for model SM-G781B (Region: India (INS)), released directly by Samsung.

Firmware Package Specifications

Device: Galaxy S20 FE 5G
Model Code: SM-G781B
Region / CSC: India (INS)
PDA / Build Number: G781BXXSIHYJ4
Operating System: Android 13
Security Patch Level: 2025-10-01
Release Date: 2025-10-30
Archive File Size: 6.61 GB (7,094,225,920 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 S20 FE 5G

Download & Extract: Download the verified G781BXXSIHYJ4 package for Galaxy S20 FE 5G (SM-G781B) 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 13. Verify compatibility before proceeding.

Compatibility and scope

File type: Firmware
Version: G781BXXSIHYJ4
Supported OS: Android 13
System architecture: ARM64-V8A
Download size: 7 GB
Release date: Oct 30, 2025

Samsung Galaxy S20 FE 5G (SM-G781B) firmware version G781BXXSIHYJ4 (Galaxy S20 FE 5G Factory Stock Firmware) supports Android 13 on ARM64-V8A systems.

📜 Galaxy S20 FE 5G Firmware Release History & Changelog Archive

Firmware update chronicle, OS version progression, and security patch trajectory for SM-G781B (Region: India (INS)):

52 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
G781BXXSIHYJ4 Changelog details (2 notes) Security The device is protected with improved security.	Android 13	Oct 30, 2025	🛡️ Oct 2025	✓ Active
G781BXXSHHYH3 Changelog details (2 notes) Security The device is protected with improved security.	Android 13	Aug 28, 2025	🛡️ Jul 2025	Previous
G781BXXSGHYC4 Changelog details (1 notes) The security of your device has been improved.	Android 13	Apr 29, 2025	🛡️ Apr 2025	Previous
G781BXXSFHXL2 Changelog details (1 notes) The security of your device has been improved.	Android 13	Jan 30, 2025	🛡️ Jan 2025	Previous
G781BXXSEHXJ5 Changelog details (1 notes) The security of your device has been improved.	Android 13	Oct 22, 2024	🛡️ Oct 2024	Previous
G781BXXSDHXI4 Changelog details (1 notes) The security of your device has been improved.	Android 13	Sep 23, 2024	🛡️ Sep 2024	Previous
G781BXXSDHXH2 Changelog details (1 notes) The security of your device has been improved.	Android 13	Aug 26, 2024	🛡️ Aug 2024	Previous
G781BXXSCHXG2 Changelog details (1 notes) The security of your device has been improved.	Android 13	Jul 15, 2024	🛡️ Jul 2024	Previous
G781BXXSBHXF4 Changelog details (1 notes) The security of your device has been improved.	Android 13	Jun 25, 2024	🛡️ Jun 2024	Previous
G781BXXSBHXE7 Changelog details (2 notes) Security The device is protected with improved security.	Android 13	May 30, 2024	🛡️ May 2024	Previous
G781BXXSAHXD1 Changelog details (1 notes) The security of your device has been improved.	Android 13	Apr 23, 2024	🛡️ Apr 2024	Previous
G781BXXS9HXC2 Changelog details (1 notes) The security of your device has been improved.	Android 13	Mar 19, 2024	🛡️ Mar 2024	Previous
G781BXXS9HXB1 Changelog details (1 notes) The security of your device has been improved.	Android 13	Feb 29, 2024	🛡️ Feb 2024	Previous
G781BXXS9HXA4 Changelog details (1 notes) The security of your device has been improved.	Android 13	Jan 17, 2024	🛡️ Jan 2024	Previous
G781BXXS9HWL2 Changelog details (1 notes) The security of your device has been improved.	Android 13	Dec 20, 2023	🛡️ Dec 2023	Previous
G781BXXS8HWK1 Changelog details (1 notes) The security of your device has been improved.	Android 13	Nov 22, 2023	🛡️ Nov 2023	Previous
G781BXXS8HWJ1 Changelog details (1 notes) The security of your device has been improved.	Android 13	Oct 30, 2023	🛡️ Oct 2023	Previous
G781BXXS8HWI1 Changelog details (1 notes) The security of your device has been improved.	Android 13	Sep 28, 2023	🛡️ Sep 2023	Previous
G781BXXU7HWH6 Changelog details (2 notes) Stability and reliability Device behavior has been improved.	Android 13	Sep 13, 2023	🛡️ Aug 2023	Previous
G781BXXS7HWH2 Changelog details (1 notes) The security of your device has been improved.	Android 13	Aug 22, 2023	🛡️ Aug 2023	Previous
G781BXXS7HWF5 Changelog details (1 notes) The security of your device has been improved.	Android 13	Jul 20, 2023	🛡️ Jul 2023	Previous
G781BXXU6HWF1 Changelog details (2 notes) Overall stability of functions improved. The security of your device has been improved.	Android 13	Jun 20, 2023	🛡️ Jun 2023	Previous
G781BXXU5HWE1 Changelog details (1 notes) Overall stability of functions improved.	Android 13	May 30, 2023	🛡️ May 2023	Previous
G781BXXS5HWD4 Changelog details (1 notes) The security of your device has been improved.	Android 13	May 16, 2023	🛡️ May 2023	Previous
G781BXXU5HWCH Changelog details (1 notes) Overall stability of functions improved.	Android 13	Apr 25, 2023	🛡️ Apr 2023	Previous
G781BXXS4HWC2 Changelog details (1 notes) The security of your device has been improved.	Android 13	Mar 20, 2023	🛡️ Mar 2023	Previous
G781BXXU4HWB1 Changelog details (10 notes) One UI 5.1 Update One UI 5.1 takes your phone to the next level with new Gallery features as well as productivity and personalization enhancements. Camera and Gallery Quickly change the color tone for selfies It's easier to change the color tone of your selfies using the Effects button at the top of the screen. More powerful search You can now search your Gallery for more than one person or subject at the same time. You can even search for people without tagging their names just by tapping their faces. Enhanced image remastering Remastering does more to make your pictures look great by removing shadows and reflections. You can also remaster GIFs for better resolution and clarity. Preview has also been improved to make it easier to compare the original picture with the remaster. Create a shared family album	Android 13	Feb 14, 2023	🛡️ Feb 2023	Previous
G781BXXS4GWA5 Changelog details (1 notes) The security of your device has been improved.	Android 13	Jan 31, 2023	🛡️ Jan 2023	Previous
G781BXXU4GVL7 Changelog details (1 notes) Overall stability of functions improved.	Android 13	Jan 23, 2023	🛡️ Dec 2022	Previous
G781BXXU4GVL7 Changelog details (2 notes) Overall stability of your device has been improved. The security of your device has been improved.	Android 13	Jan 02, 2023	🛡️ Dec 2022	Previous
G781BXXS4GVL1 Changelog details (2 notes) Security The device is protected with improved security.	Android 13	Dec 28, 2022	🛡️ Dec 2022	Previous
G781BXXU4GVK6 Changelog details (10 notes) One UI 5 Upgrade (Android 13) One UI 5 brings you more powerful personalization and makes it easier to get things done across your Galaxy devices. Visual design New app icons and illustrations Icon symbols are larger for a bolder look that's easier to scan. Subtle background gradients and improved contrast give a fresher, more natural feel. New help illustrations have been created to give a consistent look to all apps. Smoother than ever before New animations and transition effects make switching between screens feel more natural. Animations and other visual feedback appear instantly when you touch the screen, making interactions more intuitive. Scrolling speed has also been enhanced to make scrolling feel smoother throughout One UI. Enhanced blur effects and colors Background blur effects on the quick panel, Home screen, and throughout One UI have been improved with brighter colors for a clearer and more consistent experience. Simplified app color schemes help you avoid distractions and focus on your current task. Customization	Android 13	Dec 08, 2022	🛡️ Nov 2022	Previous
G781BXXS4FVK4 Changelog details (2 notes) Security The device is protected with improved security.	Android 12	Nov 29, 2022	🛡️ Nov 2022	Previous
G781BXXU4FVJ1 Changelog details (2 notes) Overall stability of your device has been improved. The security of your device has been improved.	Android 12	Oct 13, 2022	🛡️ Oct 2022	Previous
G781BXXU4FVI4 Changelog details (2 notes) · The security of your device has been improved. ? If your device is encrypted, it must be decrypted before upgrading.	Android 12	Oct 07, 2022	🛡️ Oct 2022	Previous
G781BXXU4FVI1 Changelog details (2 notes) Overall stability of your device has been improved. The security of your device has been improved.	Android 12	Sep 14, 2022	🛡️ Sep 2022	Previous
G781BXXS4FVF3 Changelog details (2 notes) · The security of your device has been improved. ? If your device is encrypted, it must be decrypted before upgrading.	Android 12	Jul 29, 2022	🛡️ Jul 2022	Previous
G781BXXU4FVE8 Changelog details (2 notes) The stability of Touch screen has been improved. The security of your device has been improved.	Android 12	Jul 07, 2022	🛡️ Jun 2022	Previous
G781BXXS4FVE1 Changelog details (2 notes) · The security of your device has been improved. ? If your device is encrypted, it must be decrypted before upgrading.	Android 12	Jul 05, 2022	🛡️ May 2022	Previous
G781BXXS4FVD1 Changelog details (2 notes) · The security of your device has been improved. ? If your device is encrypted, it must be decrypted before upgrading.	Android 12	Apr 30, 2022	🛡️ Apr 2022	Previous
G781BXXU4FVC2 Changelog details (10 notes) One UI 4.1 Update One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever. Check out the changes below. Gallery Add portrait effects You can now add background blur to any picture with a person in view. Portrait relighting Adjust the lighting for portraits, even after you've taken them, to make sure you always get the perfect shot. Convert unnecessary motion photos to still images Save storage space by converting motion photos to still images. Gallery will suggest pictures where motion isn't necessary, such as documents.	Android 12	Apr 04, 2022	🛡️ Mar 2022	Previous
G781BXXS4DVB1 Changelog details (2 notes) · The security of your device has been improved. ? If your device is encrypted, it must be decrypted before upgrading.	Android 12	Mar 14, 2022	🛡️ Feb 2022	Previous
G781BXXS4DVA2 Changelog details (1 notes) The security of your device has been improved.	Android 12	Jan 28, 2022	🛡️ Jan 2022	Previous
G781BXXU4DUL9 Changelog details (10 notes) One UI 4 Upgrade (Android 12) One UI 4 brings you a wide array of new features and enhancements for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever. Check out the changes below. Color palette Customize your phone with unique colors based on your wallpaper. Your colors will be applied to menus, buttons, backgrounds, and apps throughout your phone. Privacy One UI 4 offers strong privacy protection to make sure your personal information doesn’t fall into the wrong hands. Permission info at a glance See when each app accesses sensitive permissions such as Location, Camera, or Microphone in Permission usage. You can deny permissions for any apps you don’t feel comfortable with. Camera and microphone indicators	Android 12	Jan 12, 2022	🛡️ Dec 2021	Previous
G781BXXS4CUJ2 Changelog details (1 notes) The security of your device has been improved.	Android 11	Dec 09, 2021	🛡️ Nov 2021	Previous
G781BXXS4CUI1 Changelog details (1 notes) The security of your device has been improved.	Android 11	Oct 21, 2021	🛡️ Oct 2021	Previous
G781BXXU4CUH5 Changelog details (2 notes) Overall stability of your device has been improved. The security of your device has been improved.	Android 11	Sep 09, 2021	🛡️ Sep 2021	Previous
G781BXXU4CUH1 Changelog details (1 notes) The security of your device has been improved.	Android 11	Aug 12, 2021	🛡️ Aug 2021	Previous
G781BXXU3CUG2 Changelog details (1 notes) The security of your device has been improved.	Android 11	Jul 22, 2021	🛡️ Jul 2021	Previous
G781BXXU3CUE3 Changelog details (1 notes) The security of your device has been improved.	Android 11	Jun 17, 2021	🛡️ Jun 2021	Previous
G781BXXU3CUD6 Changelog details (1 notes) The security of your device has been improved.	Android 11	May 19, 2021	🛡️ May 2021	Previous
G781BXXU2CUD1 Changelog details (2 notes) The stability of Touch screen has been improved. The security of your device has been improved.	Android 11	Apr 14, 2021	🛡️ Apr 2021	Previous

Support & Repair Information

🛠️ Need Hardware Repair or Diagnostic Assistance?

If your Galaxy S20 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 S20 FE 5G:

✓ Verified Build

Build Number (PDA) G781BXXSIHYJ4

CSC Build Code G781BODMIHYJ4

Baseband / Modem (CP) G781BXXSIHYJ4

Operating System Android 13

Release Date October 30, 2025

Security Patch Level 🛡️ October 2025

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

Total Package Size 💾 6.61 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 S20 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 S20 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 S20 FE 5G Factory Stock Firmware

Verified package for Galaxy S20 FE 5G • Version G781BXXSIHYJ4 • Released Oct 30, 2025:

⚡ High-Speed Download (7 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 S20 FE 5G (SM-G781B), 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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Hardware & Repair Support

Experiencing Hardware Damage or Component Failure on Galaxy S20 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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