How to upgrade the Galaxy Tab P1000 to
Android 4.1.1 Jelly Bean
1: Your device must have root
2: Backup all personal data on your tablet to make sure you
have a copy of your personal data (e.g., contacts, SMS,
MMS, Internet settings, Wi-Fi passwords, and the like) in
case the procedure in this guide erases such data.
now
make download CWM Manager v15
make download room
make download apps
put the room and apps in your sd
setup cwm open it go to FLASH UPDATE and select room 4.1.1 is name Sapir-CM10Based-20120925-NIGHTLY-p1-erezak.zip
now when finish will be stop on Several options select installation apps is name
gapps-jb-20120726-signed.zip
if working no need anythink from you just say thank you to me to mail ramez.shabani@gmail.com
Congratulations room 4.1.1