Guide to Update ASUS Nexus 7 with Cyanogen Mod 10.1 Jellybean 4.2 Firmware

nexus 7 logoASUS Nexus 7 users, we are here for all your customization needs and all thanks to the tons of developers who are working day in- day out for coming out with the super stable yet customized firmware for your ASUS Nexus 7 tablet. Now, when Jellybean 4.2.1 has already made to your device, it’s time now to spice it up with the help of add on customizations which we will be checking out in the coming days to come. So, in this article we will be checking out on how you can easily update with the latest and Official Jellybean 4.2.1 based firmware which is bought in by the Cyanogen Mod team in the form of CM 10.1.

Quick Pre Requisites:

  • All the data in your device should be backed up with the help of below steps so as to make sure that just in case if the data gets lost or corrupted, the same can be restored with the help of below mentioned steps.

Note: Don’t create a backup of all your data with the help of ROM Manager as it may brick the device.

SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log - Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

  • Enable the USB Debugging in your ASUS Nexus 7 from the path “Settings > Applications > Development > USB debugging”. The USB Debugging option should be ticked. Also, minimum charge left in your Nexus 7 should not be less than 40% as it may get turned off in the middle of firmware update.
  • Since this is the custom ROM firmware, you will be required to root the device. To check on whether your device is rooted or not, you will have to download the “Root Checker” app from the Google PLAY Store. Just in case if the device is not rooted, with the help of below instructions you can root the device.

How to Root Google Nexus 7 Tablet – Tutorial

How to Install Nexus 7 with Clock Work Mod Recovery Image – Tutorial

Disclaimer: Follow all the instructions mentioned in this article as if there is any damage caused due to not following instructions then we shall not be held liable or responsible. Just in case if you face any issues then we will try our level best to address the same.

So, assuming that you are done with all the above mentioned steps, you can proceed to the next step where we have mentioned the detailed guide on how to apply this firmware update.

Guide to Update ASUS Nexus 7 with Jellybean 4.1.2 Firmware:

  • Disconnect the device and download the ROM Manager app. In ROM Manager app don’t select the Backup option as it may completely brick the device for which we should not be held responsible or liable.
  • In ROM Manager app, select “Reboot in Recovery Mode” for rebooting the device in the recovery mode. It will take a minute to enter the device in the recovery mode.
  • Once the ASUS Nexus 7 device boots up in the recovery mode, select “Wipe cache data” and “Wipe Data”. Once the data is wiped, select the option of “install zip from SD Card” after which all you need to do is to select the CM 10 Jellybean 4.2 Firmware Package for ASUS Nexus 7 which you have placed in the phone and then the Google Apps Package.
  • It will take around 4 -5 minutes for applying the update and once the update is applied successfully, select “go back” > “reboot system now” for rebooting the device in the normal mode.

Tip: If your ASUS Nexus 7 doesn’t power up or say it gets into the boot loop mode, you need to long press the power button to turn off the phone after which you will have to re follow the instructions from the start.

Do share with us in the comments section just in case if you face any issues as we will try our level best to sort out the same. Congratulations, you have now successfully learnt on how you can apply the update of CM 10.1 based Jellybean 4.2 firmware in your ASUS Nexus 7 device.

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