Nexus 10 Gets Official Android 4.2.1 Jelly Bean OTA Update via JOP40D Firmware [How to Install]

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By Vinod Yalburgi | November 28, 2012 9:51 PM EST

Nexus 10 devices have been receiving the official Android 4.2.1 JOP40D firmware OTA update (Over-The-Air) for quite some time now. Though the update is available for download as OTA, some users might have missed the automatic update for some reason. They can now manually update the official OTA firmware to their devices using the guide given below.

It must be noted that the new JOP40D firmware update is not a major release, but rather a bug-fix or patch update for Android 4.2. The patch reportedly fixes several of the bugs found in Google's earlier releases including the December missing date bug-fix.

The new Android 4.2.1 update can be manually downloaded from the OTA updates option or you must wait for the automatic notification to install the update, when it is ready.

Key Points to Note

  • Android 4.2.1 JOP40D OTA firmware and the instructions provided in this guide are applicable for the Nexus 10 device only and will not work with any other device. Verify your device's model number by navigating to Settings > About Phone.
  • Ensure that the correct USB drivers are installed for your Nexus 10 device to enable connectivity with the computer (Download SamsungNexus 10 USB drivers)
  • IBTimes UK advises users to backup apps, important personal data and settings to avoid data loss while installing the Android 4.2.1 Jelly Bean firmware update. Manual data backup is advisable instead of using Samsung KIES software for better results.

            NOTE: If your tablet has ClockworkMod Recovery (CWM) or TWRP recovery installed, it is recommended that you backup all your data using one of these recovery tools for a safer yet faster way of data backup.

  • Enable USB debugging mode (through Developer settings in Android 4.2) on your tablet device: Go to Settings > About Phone. Then scroll down to the bottom to build number and tap on "build number" seven times. Right after the third tap, a dialogue box pops out saying you are only four taps away from being a developer. Keep tapping until the Developer options menu is unlocked under Settings. You can now enable USB debugging mode from here.
  • To enable USB debugging on earlier versions (before Android 4.2), go to Settings > Applications > Development and check the USB debugging option.

How to Install Official Android 4.2.1 JOP40D OTA Update on Nexus 10 [For Non-Rooted]

NOTE: The tablet should be running Android 4.2 JOP40C (previous official update), which is not rooted and has stock recovery in order to install this firmware update.

Step 1 - Download Android 4.2.1 (07ac4f5d6c30.signed-mantaray-JOP40D-from-JOP40C.07ac4f5d.zip) firmware update for Nexus 10 on your computer and Rename it to update.zip.

Step 2 - Connect and mount your Nexus 10 USB mass storage on your computer with the USB cable.

Step 3 - Now, copy the update.zip file to the tablet device.

Step 4 - Power off your tablet and boot into Bootloader Mode. To do so, press and hold the Volume Up and Power buttons until you see the Fastboot menu and START on top.

Step 5 - Follow the onscreen navigational instructions. Then press Volume Up button several times until the RECOVERY mode comes up and then hit Power button to select it.

Step 6 - You will see an exclamation mark on the screen. Again hold your Volume Up and Power buttons. You should now boot into the Recovery Mode menu.

Step 7 - Now, choose update from zip file. Then select update.zip file and hit the Power button to begin the installation.

Step 8 - Once the ROM is installed, the tablet will reboot and the first boot might take about 5 minutes to complete. So, leave it alone.

Official Android 4.2.1 JOP40D Jelly Bean update is now successfully installed on your Nexus 10. Go to Settings > About Tablet to verify the firmware version installed.

How to Install Official Android 4.2.1 JOP40D OTA Update on Nexus 10 [For Rooted]

NOTE: Ensure that your Nexus tablet is rooted with ClockworkMod Recovery installed on it, and also verify that it is running Android 4.2 JOP40C firmware update (previous official release) before proceeding with the ROM installation steps.

Step 1 - Download Android 4.2.1 JOP40D OTA Update for Nexus 10 on your computer.

Step 2 - Connect and mount your Nexus 10 USB mass storage on your computer with the USB cable.

Step 3 - Now, copy the Android 4.2.1 ROM zip file to the desktop of your tablet.

Step 4 - Power off your tablet and boot into Bootloader Mode. To do so, press and hold the Volume Up and Power buttons until you see the fastboot menu and Start on top.

Step 6 - Follow the onscreen navigational instructions. Tap Volume Up button several times till you see Recovery and then hit Power button to select it.

Step 7 - In CWM recovery, navigate to Flash Zip from SD card option and tap the power button to select it.

Step 8 - Hit the Power button again and click Choose Zip from SD card.

NOTE (Optional): You might have to turn OFF signature verification from the Toggle Signature Verification option.

Step 9 - Now, use volume keys to navigate to Android 4.2.1 zip and select it using the Power button. Confirm the ROM installation on next screen and the installation procedure should begin.

Step 10 - Once the ROM is installed hit Go Back and reboot the phone by tapping Reboot System Now in the Recovery Menu. The phone will reboot and the first boot might take about 5 minutes to complete. So, leave it alone.

Official Android 4.2.1 JOP40D Jelly Bean firmware update is now installed on your Nexus 10 tablet. Go to Settings > About Tablet to verify the firmware version installed.

[Source: Team Android]

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