Install A300MUBU1AOA1 Android 4.4.4 KitKat Firmware download for Galaxy A3 SM-A300M [Full Tutorial]

A300MUBU1AOA1 Android 4.4.4 KitKat official android firmware download for Samsung Galaxy A3 SM-A300M is out and the users can now manually download the firmware zip file from here at NasirTech. Samsung time to time releasing software update for all their Android Smartphone and tablet devices and it is always recommended to update the latest available firmware for your device as with every new firmware version Samsung introduces fixes for bugs (if any), improvement in overall OS performance and sometime introduces new features. Continue reading this page to find A300MUBU1AOA1 download link along with flashing instructions and rooting guide (if available).

A300MUBU1AOA1 Firmware Details:

Model: SM-A300M
Model Name: Samsung Galaxy A3
Version: Android 4.4.4 KitKat
PDA: A300MUBU1AOA1

A300MUBU1AOA1 Download Link (s):

Note that: you can flash/install any firmware from the below list if the firmware for your country is not available, except those firmware comes with their carrier name.

Brazil: A300MUBU1AOA1_A300MZTO1AOA1_ZTO.zip

(Firmware for rest of the countries and carrier will be added here when available)

[Please don't ask for any torrent download link for the above firmware. However, if the above link doesn't work, you can mention in comment below, we'll try to provide you with other download mirror (if available)]

A300MUBU1AOA1 Installation Methods:

There are several ways by which you can update the UBU1AOA1 firmware on your Galaxy A3 A300M such as- through Samsung Kies utility (from your PC), Via OTA (Over the Air, directly from your device using WiFi) and Odin method (manually download firmware and flash through Odin). Below you'll find all the three methods.

How to Update Official Firmware on Galaxy A3 SM-A300M via OTA (Over the Air):

Turn on WiFi or Mobile Data on your device (should have stable Internet connection)
Go to Settings-About, and tap on the Update Option from there (If its show “The latest update have already been installed” message, then your device haven’t receive any OTA yet, check back later or try installing through Kies.)
Tap OK to start the download and installation process
Once done, your device will reboot automatically

How to Update Official Firmware on Galaxy A3 SM-A300M through Samsung Kies Utility:

Turn on WiFi or Mobile Data on your device (should have stable Internet connection)
Download and Install Samsung Kies Utility on your PC
Connect your device to PC through USB
Open/Run Samsung Kies, it should automatically detect your device
At the Samsung Kies home screen, you’ll see New Firmware Upgrade is available notification (If it show- “This is the last firmware”, then your device haven’t received the latest firmware on Kies, check back later or try flashing manually through Odin)
Click on the Firmware Upgrade button to start the update process
Follow onscreen instructions
Once done, your device will be reboot automatically
After reboot, you can disconnect your device from PC

How to Update A300MUBU1AOA1 Firmware on Galaxy A3 A300M through Odin:

Kies and OTA are the official way to update firmware but most of us prefer manual way to update official firmware. So, below you’ll find step by step manual guide to update the UBU1AOA1 4.4.4 KitKat firmware on your Galaxy A3 A300M through Odin software on your PC or Laptop.

Warning!

"The firmware is released only for the Samsung Galaxy A3 SM-A300M model, so don’t try this in any other android device. Check your device model number from Settings-About Phone. Also the tutorial is based on Windows PC. NasirTech is not responsible if anything wrong happens to your device after following this guide, try this at your own risk".

Points to be noted:

1) Check battery percentage, your device should have at least 60% battery power

2) Turn on USB Debugging mode, go to Settings-General-Developer Options (As the Developer options are hidden by default on all Android device running on Android 4.2 or up, So go to Settings-General-About on your Galaxy A3 and tap Build Number for 7 times to visible the Developer options.) See the image below.

3) Backup important data and settings to external storage- follow this guide

4) Install USB driver for your device on your PC/Laptop- Download Samsung USB Driver

5) If your Galaxy A3 A300M have any Custom ROM installed such as- CyanogenMod ROM, ParanoidAndroid ROM, AOKP ROM, SLIM ROM, PACman ROM, Avatar ROM, Omni ROM, LiquidSmooth ROM, Beanstalk ROM, Carbon ROM etc, then it’ll be replaced by stock firmware.

6) Custom Recovery (CWM or TWRP Recovery) will be replaced by Stock Recovery

7) After flashing official firmware, your device will no longer belongs to rooted device. However you can root your device any time after flashing the firmware.

Steps to update A300MUBU1AOA1 4.4.4 KitKat firmware on Galaxy A3 A300M through Odin:

1) Download UBU1AOA1 4.4.4 KitKat firmware for Galaxy A3 A300M from the above download section

2) Download Odin 3.09

3) Switch off and boot Galaxy A3 A300M into Download Mode by pressing and holding the Volume Down+Home+Power buttons (long press until the boot screen appear), now press Volume Up key to proceed to Download Mode.

4) Extract the downloaded Odin3.09 zip file and run the Odin3 v3.09.exe file as an administrator (Right click on the .exe file and click on Run as administrator)

5) Now connect your Galaxy A3 A300M to your computer via USB cable

6) In Odin3 screen, you should see a COM Port number like “0:[COM7]” at ID:COM section and “Added!” text at the message box. This means your device has been detected by Odin3.

7) Make sure that, only the “Auto Reboot” and “F. Reset Time” options are checked in Odin.

8) Now, extract the downloaded firmware zip file, you’ll find a firmware file with extension .tar.md5

9) In Odin screen, click on AP (PDA in older Odin) button and select the firmware file with .tar.md5 extension (The firmware file look something like: A300MXXDLJ5_A300MODDDLI7_INU.tar.md5)

10) Now, click on the Start button to begin the installation process, wait few moments.