✓ Verified Hardware SM-A300H 🔧 Stock Rom 📅 Sep 12, 2026

Samsung Galaxy A3 (SM-A300H) Factory Stock Firmware – Version A300HXXS1BSA1 for Android

Verified firmware package • 789 MB • Released Sep 12, 2026 • Compatible with Android • Stable Production Build.

⚡ Download Stock Firmware

SM-A300H

Download genuine Galaxy A3 (SM-A300H) stock firmware update (A300HXXS1BSA1). Verified factory package for region INS hosted on Samsung Mass Storage CDN.

Quick flashing overview for Galaxy A3

Download & Extract: Download the verified A300HXXS1BSA1 package for Galaxy A3 (SM-A300H) 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

Need the Complete Odin Firmware Flashing Guide?

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. Verify compatibility before proceeding.

Compatibility and scope

File type: Firmware
Version: A300HXXS1BSA1
Supported OS: Android
System architecture: ARM64-V8A
Download size: 789 MB
Release date: Sep 12, 2026

Samsung Galaxy A3 (SM-A300H) firmware version A300HXXS1BSA1 (Galaxy A3 Factory Stock Firmware) supports Android on ARM64-V8A systems.

Support & Repair Information

🛠️ Need Hardware Repair or Diagnostic Assistance?

If your Galaxy A3 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:

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📋 Package Specifications & Build Details

Verified firmware binary structure and component tags for Galaxy A3:

✓ Verified Build

Build Number (PDA) A300HXXS1BSA1

CSC Build Code A300HODD1BSA1

Baseband / Modem (CP) A300HDDU1BOF3

Operating System Android

Release Date September 12, 2026

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

Total Package Size 💾 0.77 GB

Archive Structure & Odin Slot Guide

BL: Bootloader binary

AP: System core & recovery

CP: Modem & baseband

CSC: Regional carrier configuration

Frequently asked questions

Quick Answers

When should I update firmware on Galaxy A3?

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

How can I update firmware on Galaxy A3?

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 A3 Factory Stock Firmware

Verified package for Galaxy A3 • Version A300HXXS1BSA1 • Released Sep 12, 2026:

⚡ High-Speed Download (789 MB) 📱 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 A3 (SM-A300H), 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 A3?

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.

💰 View Spare Parts Price → 📍 Locate Service Center →

Authorized Repair Network

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