UPDATING ANY TABLET TO 4.1 JELLY BEAN OS

    0. YOU HAVE TO SELECT ON SETTINGS>BACKUP&RESET>ENABLE BACK UP

        SO IF ANYTHING HAPPENS WRONG YOU CAN BACKUP YOUR DATA

        ALSO YOU CAN USE TITANIUM BACKUP.......NOT POSTED JUST SEARCH ON                         GOOGLE

1. DOWNLOAD THIS LINK 
2. HERE#######
3. COPY THE FILES TO SDCARD.
4. POWER OFF COMPLETELY
5. POWER ON AND IMMIDIATLY PRESS VOL+ AND POWER ON KEY TOGETHER.
6. THEN YOU WILL RETURN TO ANDROID RECOVERY MANAGER.
7. SELECT UPDATE.
8.  IN THE UPDATE SELECT THE FILE AND IT WILL AUTOMATICCALY UPDATE.
9.  WAIT FOR SOME TIME.
10. AFTER SOME TIME WHEN IT IS FINISHED SELECT ON 'REBOOT THE DEVICE'
11. NOW YOUR UPDATE IS FINISHED.
12. ENJOY THE NEW ANDROID JELLY BEAN OS.......