Before we proceed, make sure
1-You have installed your Samsung Galaxy S4 GT-I9500 USB drivers on your PC (the easiest way is to install Kies).
2-You need to enable USB debugging mode which is deactivated by default. (you can skip it )
3-Your S4 should have 70-80% charge remaining.
4-Your S4 should be factory unlocked. (for locked phone, flash carrier firmware to stay on warranty)
5-Backup your important data like Call logs, SMS and other data stored in phone memory in case if anything goes wrong, your data is not hurt.
6-Make sure that kies program is not running & disable antivirus.
This guide is only for Galaxy S4 GT-I9500 . So don’t bother to try it on other devices.
How to do it
Step 1) Turn OFF your mobile and go to Download Mode by pressing and holding the Volume Down + Home Buttons together for few seconds followed by Power button then proceed with volume up.
Step 2) Now open ODIN on your PC and connect your Galaxy S4 to your computer.
Step 3) Once your phone is successfully connected to your PC, the ID:COM box on ODIN will turn blue (or yellow) and will show the COM port number.
Step 4) unzip the downlowded file (from second or third post), u will get a Home.tar file.
Step 5) click on pda (in odin) and choose the file "Home.tar"
Step 6) check "Auto Reboot" and "F. Reset Time" options and make sure that "Re-Partition" is unchecked
!!!!DO NOT CHECK "Nand Erase All" IN ANY WAY!!!!
Step 7) Click on Start button in ODIN window to start the flashing process. The process will take few minutes to complete.
DO NOT UNPLUG USB CABLE WHILE EXECUTING THE PROCESS, YOU MAY BRICK YOUR PHONE!
Step 8) When the installation is completed, you read a "Reset " then a "Pass". your phone will restart (first boot will take a longer time so don't panic)
It is recommended to make hard reset after flashing to have a fresh official firmware
<---Fertxter--->
