Update Galaxy S4 GT I9500 with Lollipop 5.0
Step 1. Download the Lollipop 5.0 Firmware update from here to your computer and extract the zip file.
Step 3. Turn Off your device so that it can be entered in the Download Mode. Press and hold Home + Power + Volume down buttons to enter the device in the Download Mode.
Step 4. Now connect you phone to the PC with USB cable and open the ODIN application on your desktop.
Step 5. Now, go to the Odin window and add extracted firmware files in respective buttons as shown in the image below.
Step 6. In Odin window, make sure only Auto Reboot and F. Reset Time checkboxes are selected.Make sure Repartition is NOT checked
Step 7. After that click on the start button to run the flashing process on your Note 4.
Step 8. After the process is completed you will see the RESET! or PASS! message on ODIN screen, your phone will reboot now.
Congrats! You just updated your Galaxy S4 GT-I9500 to I9500ZCUJOA3 Android 5.0.1 Lollipop firmware. Go to Settings > About device to verify this firmware update.