Barnes & Noble Nook tablet has received Android Open Source Project (AOSP) ROM based on Android 4.2.1 (Jelly Bean). This ROM is said to work on devices that run upgraded touchscreen firmware.
Those who want to upgrade their Nook tablet to Jelly Bean may do so via this tutorial but IBTimes UK will not be held responsible for any damage to the device during installation.
- Ensure the device has at least 80 percent battery charge
- Ensure USB drivers are installed on the PC
- Enable USB debugging
- Ensure the device is rooted and has ClockWorkMod (CWM) Recovery installed
- Make sure that a ROM Manager is installed
To install Android 4.2.1 AOSP ROM on Nook tablet:
- Connect the device to the PC and copy downloaded zip files to the SD card
- Unplug the device and turn the device off
- Boot into Recovery mode. To do so, open ROM manager and select Reboot into Recovery option. The device will now boot into CWM recovery.
- Make a Nandroid back-up of the existing ROM (to do this, choose Backup and Restore > Backup and return to main Recovery menu after process is complete)
- Perform a data wipe (to do this, choose Wipe Data/Factory Reset and then tap Yes to confirm the action). Wait until data wipe is completed and return to main Recovery menu
- Choose Install Zip from SD Card and then select Choose Zip from SD Card. Now browse to the ROM zip file and select it by pressing Power button. Confirm installation by tapping Yes. The ROM will begin installing
- Repeat this step but this time select gapps-jb-20121130-signed.zip to install the Google apps package
- After installation completes go back to main Recovery menu and choose Reboot System Now to reboot the tablet into customised Jelly Bean AOSP ROM
[Source: Android Jinn]