Samsung Galaxy Tab 10.1 Wi-Fi users can also taste the Jelly Bean, an alpha build of Android 4.1 Jelly Bean is available for the tablet, thanks to senior XDA developer member MapleSyrup. The developer ported the ROM from the Jelly Bean AOSP source code and it will bring a new experience to your tablet.
Since this is alpha build, it has many bugs like camera, audio and Wi-Fi aren’t working currently, it’s just experimental build and not stable for daily drivers, developer will iron out bugs soon in near future but if you really want to taste the Jelly Bean, you can try this build, just make a backup in recovery mode and install Android 4.1 Jelly Bean on Galaxy Tab 10.1 with Wi-Fi.
ClockworkMod recovery must be installed on your new Samsung Galaxy Tablet and make a backup of your device data such as SMS, internet setting, contacts music files etc because the below procedure may wipe data, you can sync your contacts with Gmail account and for messages use SMS apps, lastly use file expert app to backup apps, you can also use this guide to backup apps.
DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or get damaged following this guide.
Step #1: Download the latest version of ROM from here [XDA LINK] to PC.
Step #2: Transfer the downloaded file to SD card, put the tablet into recovery mode, to do power off the tablet and reboot by holding down power and volume up buttons, when screen turn on let go of the power button but not volume up, when a menu appear, press the volume down button to navigate to recovery and then press volume up button to get into recovery mode.
Step #3: In recovery mode, create a nandroid backup of your current ROM, it’s important because if anything not work out that you expect from this ROM, you’ll be able to easily revert back to your current state. To create backup select “Backup and Restore”, and then select “Backup” again.
Step #4: Perform full wipe, first select the wipe data/factory reset, and confirm on the next screen.
Step #5: Select “Install Zip from SD Card” then “Choose Zip from SD Card” and locate the downloaded file that you’ve transferred in above step and confirm installation. Wait till installation complete.
Step #6: Once the installation is completed, select “Go Back” after that select “Reboot System Now.”
That’s it, you’re done, enjoy Jelly Bean, you can visit the original thread of XDA link given in first step and comment below for queries.