The Samsung Galaxy S4 Exynos octa-core version recently got an Android Jelly Bean 4.2.2 update to build XXUAMDL, and users can get it now through Samsung KIES. Those of you who spring for the latest and greatest will be glad to know there's already a root available based on CWM 184.108.40.206.
Preparations Before Rooting Android Jelly Bean 4.2.2:
Make sure you have the latest Samsung Galaxy S4 USB drivers installed on your computer.
Navigate to Menu > Settings > Applications and select Development to enable USB debugging mode. Next, backup your Samsung Galaxy S4 and make sure it has an 80 percent charge before proceeding.
Warning: This guide is for factory-unlocked variants of the Samsung Galaxy S4 with an Exynos octa-core processor and model number I9500. iTech Post will not be held liable for any damage incurred to your device.
Samsung Galaxy S4 Android Jelly Bean 4.2.2 Root Guide:
Step 1) Download the root file.
Step 2) Download Odin v3.07. Extract both files.
Step 3) Turn off your device and enter Download mode by holding down Volume Down and Home and tapping the Power button until your Samsung Galaxy S4 turns back on. Then, press Volume Up to go into Download Mode.
Step 4) Launch Odin and connect your phone to your computer. You'll see a yellow ID: COM box and a port number when Odin is ready to proceed.
Step 5) Selected PDA in the Odin utility and choose the file titled cofface_samsungI9500_recovery_en_0503.tar.
Step 6) Make sure that F.Reset Time and Auto Reboot are selected in the Odin utility and re-partition is not.
Step 7) Select start in the Odin window. When Odin is finished, your Galaxy S4 will automatically restart.
Step 8) Power down your Samsung Galaxy S4 and reboot in recovery mode by holding down Volume Up, Home and Power. Select Root Your Phone.
Step 9) Once the Android 4.2.2 Jelly Bean root is finished, go back to the main recovery menu and choose Reboot System Now. Once your device restarts, your Samsung Galaxy S4 is officially rooted.