salamat papsdownload firmware sa samsung site para sa tab mo and save mo zip file sa sdcard, then google kung pano makapunta sa recovery mode kung power+vol down+vol up etc, then select apply update from sdcard then select mo yung dinownload mong firmware
1. download firmware and save to sdcard
2. boot into stock recovery (power+vol down+vol up-pakigoogle nalang)
3. in stock recovery select apply update from sdcard
4. select firmware and wait to complete installation
5. reboot system