Are you using Galaxy Win Pro SM-G3812? Today, Androidbiits is going to share a great news with the owners of Win Pro SM-G3812. Yes, Android 4.2.2 ZNUANH1 [G3812ZNUANH1] has been released for Samsung Galaxy Win Pro SM-G3812. You may be wondering how to install G3812ZNUANH1? Dear reader, I am here to help you in updating your Win Pro SM-G3812 to Android 4.2.2 ZNUANH1. Previously, I have published the tutorial for updating Samsung Galaxy Win GT-I8552 to Android 4.1.2 I8552XXANH3. Now I am going to publish the tutorial to update Samsung Galaxy Win Pro SM-G3812 to Android 4.2.2 ZNUANH1. This is a pretty good news for Win Pro SM-G3812 users who are bored with the old firmware and waiting to install new firmware update.

I am expecting that you will be able to install Android 4.2.2 ZNUANH1 [G3812ZNUANH1] on Win Pro SM-G3812 easily without facing any difficulty after reading the steps posted in Androidbiits.com. G3812ZNUANH1 will bring some improvements on Win Pro SM-G3812. Oh yes, I forgot to mention that soon you will be able to root Win Pro SM-G3812 on Android 4.2.2 ZNUANH1. You should note that G3812ZNUANH1 is available only for Win Pro SM-G3812 owners who are staying in China. Save your documents in a safe place before updating your Win Pro SM-G3812. If you are not staying in China, then you should not download G3812ZNUANH1. Dear friend, you must install SM-G3812 USB driver on your PC before connecting SM-G3812 with it.

Below are the steps using which you can install Android 4.2.2 ZNUANH1 [G3812ZNUANH1]. Androidbiits will not be responsible if SM-G3812 got damaged while being updated to G3812ZNUANH1. SM-G3812 battery level must be above 86% before following these steps.

How to Install Android 4.2.2 ZNUANH1 [G3812ZNUANH1] on Samsung Galaxy Win Pro Duos SM-G3812

1. First, you need to download Android 4.2.2 ZNUANH1 [G3812ZNUANH1] on your PC.

2. Now you have to download Odin to install G3812ZNUANH1.

3. Now you have to put Samsung Win Pro Duos SM-G3812 into download mode using these steps:

• Turn off Galaxy Win Pro SM-G3812.
• Press Win Pro Duos SM-G3812 volume down button and home button simultaneously.
• Press Win Pro Duos SM-G3812 Power button at the same time while pressing its Home button and volume down button.
• Press Win Pro Duos SM-G3812 volume up button again after viewing a warning message to put it into download mode.

4. Launch Odin on your PC and connect Samsung Win Pro Duos SM-G3812 with your PC via USB cable.

5. You can see a message in the bottom left corner of Odin after connecting Samsung Win Pro Duos SM-G3812 with your PC.

6. Now you have to extract the ZIP file of Android 4.2.2 ZNUANH1 on your PC downloaded in STEP 1.

7. Once you have successfully extracted the ZIP file of Android 4.2.2 ZNUANH1, 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 SM-G3812 is restarted. Once it is restarted, you can enjoy G3812ZNUANH1. In this way you can install Android 4.2.2 ZNUANH1. If you are facing any difficulty while installing G3812ZNUANH1, then you can share your difficulty with me in the comment section below.