(Last Updated On: March 28, 2017)

The Samsung Galaxy A3 is the baby of the A series in the new Sammy range, and it’s the prime candidate to root with the CF-Auto-Root tool so you can unchain the operating system and have some fun at little expense. Anyone who does decide to root the Samsung Galaxy A3 smartphone will be subject to many new apps available to install from the Google Play Store and other third-party sources like the official websites of the developers who make the apps. J. Rummy is a name you might already know as a guy who has his own website pointing to the ROM Toolbox application. The ROM Toolbox is a great example of an app you can install on the Galaxy A3 after you complete the guide. It offers you an all-in-one solution for most things you will care about, like

The rooting file for the Galaxy A3 smartphone found in this guide is based on LRX22G.A300FXXU1BOK4 firmware which is part of an Android 5.0.2 Lollipop update for some regions around the world. The region that firmware rolled out to might not be in your language and it doesn’t really matter because you do not need to be running that firmware on your device. The developer of the rooting method gives us that information for us to use as an indicator.

Samsung Galaxy A3

Files You Need

  1. Download the CF-Auto-Root file for the Galaxy A3 smartphone on Android 5.0.2 from here.
  2. The Odin flashing tool is available after you extract the rooting package from the link above. You can find out how to extract the package to find your flashing application during the guide. You shouldn’t need anything else to complete the steps apart from the rooting file and the flashing tool.

Rooting the Samsung Galaxy A3 SM-A300F running Android 5.0.2

  1. Enable the USB Debugging Mode on the Samsung Galaxy A3 smartphone before you connect it to the computer with the USB cable.
  2. Extract the rooting file to the computer when you have the file on the desktop.
    Right-click on the Odin application that is on the desktop and choose to run the application with the administrator permissions from the menu.
  3. Long-press the Power button on the Samsung Galaxy A3 smartphone and tap on the option to switch it off on the display.
  4. Reboot the Samsung Galaxy A3 smartphone using the button combination for download mode and then connect it to the computer with the USB cable.
  5. Look at the Odin application user interface on the computer and check that you can see a yellow or blue ID: COM port. No port light means that your Galaxy A3 device has not been detected by the Odin flashing application and you will need to install the universal Windows ADB driver and try again.
  6. Click the AP button and browse the desktop location for the rooting file.
  7. Click the Start button.
  8. Wait until you can see the Galaxy A3 display says it is about to install the SuperSU application, clean up the cache partition and then re-flash the stock recovery on your device.
  9. Look up the Odin application on the computer and wait until it gives you a green box with a pass message inside before disconnecting your device from the computer.

In conclusion, that’s everything you need to root the Samsung Galaxy A3 smartphone with the SM-A300f model number running on the Android 5.0.2 Lollipop software update.

Any Galaxy A3 smartphone that does not boot into recovery mode after the flashing will need to be manually booted into recovery mode. You can do that by pressing the hardware button combination on your Samsung Galaxy A3 smartphone. Once you have a rooted device, try heading over to the Google Play Store and installing the Quick Boot application instead.

Furthermore, there are plenty of other Odin versions if you want to give one a try. Sometimes a particular version doesn’t flash for certain devices and it’s impossible to produce when that’s going ot occur.