Samsung Galaxy S3 I9300 Official Android 4.2.2 Jelly Bean Update

New Android 4.2.2 Firmware released for Samsung Galaxy S3.  This is an Official Update by Samsung.  You can update your Samsung Galaxy S3(I9300) in 2 Ways

• Update using Samsung Kies
• Update via Manual Flash Method

Update using Samsung Kies

• Download Samsung Kies Click Here
• Install Samsung Kies
• Connect your Samsung Mobile to your PC
• Now Check your mobile latest version
• If any update available click the update link and update your mobile that’s all 

Firmware Details

Android Version: 4.2.2 – JDQ39 (Jelly Bean)
PDA: I9300XXUFME7
CSC: I9300OXAFME7
MODEM: I9300XXUFME7
Region: Open Europe
Carrier: Unbranded
Changelist: 702147 (Previous leak: I9300XXUFME3 = 611730)
Build Date: 21 May 2013

Manual Update using Original stock ROM

Important:

• Fully Charge your Mobile Battery
• Back-up all things

Downloads:

• USB Driver: Download (66.2 MB)
• ODIN Flasher: Include the Below Firmware Package (or) Manual Download
  
• ROM: I9300XXUFME7_I9300OXAFME7_OXA.zip (912.4 MB)

Requirements:

• PC with Windows Operating System (without any power failure)
• USB Cable
• Fully Charged Mobile Battery
• Above Download files

Install Android 4.2.2 Jelly Bean on Samsung Galaxy S3 (I9300)

• Make sure download all the require files
• Install USB Driver first
• Extract or Unzip and run ODIN

• Now Switch Off your Mobile and wait until vibrate your mobile phone
• Now Enter the device into Download Mode:
• By holding the volume down button + Home button + Power button enter into download mode
• Now your ODIN detect and shown the COM port
• Now Extract your Stock ROM
• Click ‘PDA’ and select the extract file ‘I9300XXUFME7_I9300OXAFME7_I9300XXUFME7_HOME.tar.md5‘
• Put the tick on Auto Reboot and F.Reset Time
• Click Start Button
• Wait until the edit box ill turn into green and say PASS!
• Now your Phone will automatically restart
• Now unplug your mobile into PC
• Your Mobile successfully Updated

Troubleshoot:

If any problem in the above process follow the below instruction

• Switch off your mobile by Removing the Battery or Long Press Power Button
• Now Press Volume Up Key + Home Button + Volume Down Key simultaneously until enter  into recover mode
• In recovery mode navigate using volume down and volume up keys
• Select ‘wipe data/factory reset‘ and ‘wipe cache partition‘
• After that restart your device using ‘reboot system now‘
• Wait Until your mobile Restart