Are you using Samsung Galaxy Ace 3 DUOS GT-S7278U? Androidbiits.com brings some good news for the people who are using Galaxy Ace 3 DUOS GT-S7278U. Android 4.1.2 Jelly Bean ZMUANF1 [S7278UZMUANF1] has been released for Samsung Galaxy Ace 3 DUOS GT-S7278U. Are you wondering how to install S7278UZMUANF1? My dear friend, I am here to help you in updating your Galaxy Ace 3 DUOS GT-S7278U to Android 4.1.2 ZMUANF1. Recently, I have posted the steps for updating U.S. Cellular Samsung Galaxy S4 mini SCH-R890 to Android 4.4.2 TYUBNE4. Now I am going to write the step-by-step instructions to update Samsung Galaxy Ace 3 DUOS GT-S7278U to Android 4.1.2 Jelly Bean ZMUANF1.

I am hoping that you will be able to install Android 4.1.2 Jelly Bean ZMUANF1 [S7278UZMUANF1] on Galaxy Ace 3 DUOS GT-S7278U without facing any difficulty after reading the steps posted in Androidbiits.com. S7278UZMUANF1 will bring some improvements on your Ace 3 DUOS GT-S7278U. The good news is that soon you will be able to root Samsung Galaxy Ace 3 DUOS GT-S7278U on Android 4.1.2 Jelly Bean ZMUANF1. Dear friend, you must save your messages and contact numbers in a secure place before updating your Ace 3 DUOS GT-S7278U. Otherwise, all data will be deleted from your GT-S7278U. You must install Galaxy Ace 3 DUOS GT-S7278U USB driver on your PC before connecting your GT-S7278U with it.

Below are the steps using which you can install Android 4.1.2 Jelly Bean ZMUANF1 [S7278UZMUANF1]. Androidbiits.com will not be responsible if your GT-S7278U got damaged while updating it to S7278UZMUANF1. Your GT-S7278U battery level must be above 82% before following these steps.

How to Install Android 4.1.2 Jelly Bean ZMUANF1 [S7278UZMUANF1] on Samsung Galaxy Ace 3 DUOS GT-S7278U

1. First, you need to download Android 4.1.2 Jelly Bean ZMUANF1 on your PC.

2. Now you have to download Odin to install S7278UZMUANF1.

3. Now you have to put your Galaxy Ace 3 DUOS GT-S7278U into download mode using these steps:

• Turn off your Samsung Galaxy Ace 3 DUOS GT-S7278U carefully.
• Press your Ace 3 DUOS GT-S7278U volume down button and home button simultaneously.
• Press your Ace 3 DUOS GT-S7278U Power button at the same time while pressing the Home button and volume down button of GT-S7278U.
• Press your Ace 3 DUOS GT-S7278U Power button again after viewing this warning message to put it into download mode.

4. Launch Odin on your PC and connect your Galaxy Ace 3 DUOS GT-S7278U with your PC via USB cable.

5. You can see a message in the bottom left corner of Odin after connecting your Ace 3 DUOS GT-S7278U with your PC.

6. Now you have to extract the ZIP file of Android 4.1.2 Jelly Bean ZMUANF1 on your PC downloaded in STEP 1.

7. Once you have successfully extracted the ZIP file of Android 4.1.2 Jelly Bean ZMUANF1, you have to press “AP” in Odin and choose “.tar.md5″ file.

8. Now you have to press the “Start” button in Odin after selecting “Auto-reboot” option.

Now you need to wait until your GT-S7278U is restarted. Once it is restarted, you can enjoy S7278UZMUANF1. In this way you can install Android 4.1.2 ZMUANF1. If you are facing any difficulty while installing S7278UZMUANF1, then you can share your difficulty with me in the comment section below.