Update 4.1.2 Jelly Bean on Viewsonic gTablet via Harmony AOSP ROM

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Hello Guys! Owning a tablet whose manufacturer is not so popular in the market is not a bad experience. But the problem remains the same that manufacturers are not providing updates to the latest version of Android for the tablets. Similarly, here is the gTablet from Viewsonic running on Android 2.2 Froyo, which is the most outdated version of Android.

Update 4.1.2 Jelly Bean on Viewsonic gTablet via Harmony AOSP ROM

Today, this article is for those users who are willing to update Android 4.1.2 Jelly Bean on Viewsonic gTablet by installing Harmony AOSP ROM. Yes, you have heard true, this ROM is based on AOSP and fully odexed. Advantages of Odexed ROM are that less ram usage, faster boot times and reduced Space occupied in /data/dalvik-cache , results in more space for Apps and Data. Though it’s based on AOSP 4.1.2, many new features from Android 4.2 Jelly Bean is added like launcher, gallery, etc.

If you want to update 4.1.2 Jelly Bean on Viewsonic gTablet, you must follow the below tutorial with ease. Firstly, read the whole tutorial carefully and if any query arises in your mind then do ask us via below comments section, this will help you to save your tablet from being harmed. Now, you can follow the tutorial!

Note: This ROM is not developed by us (AndroidRooting.com), so if some functionality are not working then don’t blame us, just report your problem here (XDA Thread) to get solved.

Necessary Things To Do:

1. Your tablet should have 70 – 80% battery.

2. Make sure that you have enabled USB debugging (All apps > Settings > Manage Applications > Development > USB Debugging – check box).

3. The tablet must be rooted and CWM Recovery installed.

4. Ensure you have backed up your important data.

5. Install Viewsonic gTablet USB drivers.

6. Download files to update Jelly Bean on Viewsonic gTablet

Steps to Update JellyBean on Viewsonic gTablet

Step 1. Download above to file to your computer.

Step 2. Connect your tablet to PC via USB cable to copy the downloaded file into an external/internal memory and disconnect it when the copying is completed.

Step 3. Switch off your tablet.

Step 4. Boot into CWM Recovery by “pressing and holding Volume UP + Power button” until you see ANDROID in gold letters. In the Recovery mode, use the Volume keys to move up/down and the Power key to select a highlighted item.

Step 5. In the Recovery Mode you have to wipe complete data by choosing the “wipe data/factory reset” option and then perform complete cache wipe by choosing “advanced” options in the CWM Recovery mode and then navigate to “Wipe Dalvik Cache”.

Step 6. Return to the Recovery main menu and choose ‘install zip from SD card’ and give a path to downloaded ROM from file.

Step 7. Now, wait for a few minutes for the installation process to complete. If it is completed, then again returns to the Recovery main menu and from there choose ‘Reboot Now’.

Step 8. As this is the first time, you are starting the device after installing ROM, so wait for a few minutes to initialize all the services and applications.

Congratulations! Now your tablet runs on Android 4.1.2 Jelly Bean. I hope now you are happy, enjoy it completely and don’t forget to share your reviews in the below comments section.

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