1. Launch Samsung Kies from your PC
2. Connect the powered up GT-I9003 to Samsung Kies via USB cable

* Note if this connection is performed for the 1st time. Allow all drivers to be installed before proceeding (Refer to Figure 1)

 
(Figure.1)

3. Ensure Samsung Kies is able to detect GT-I9003 device

4. Samsung Kies will prompt user of a new firmware available for user to select to upgrade their device (Refer to Figure 2)
 
(Figure.2)

5. User is now asked to proceed to upgrade their device.(Refer to Figure 3)
Read the disclaimer and tick on the checkbox, and proceed firmware upgrade
 

(Figure.3)

6. Samsung Kies will inquire user if there is a need to backup phone information
(The users can select required information to backup.)

 

(Figure.5)

7. After backup phone data, user can conduct Firmware upgrade via KIES (Refer to Figure 4)

 

(Figure.5)

8.

Samsung Kies will download the files necessary for upgrading (Refer to figure 6, 7)
(DO NOT DISCONNECT USB CABLE)

 

(Figure.5)

(Figure.6)
 

(Figure.7)

9. Upgrade is completed. User can disconnect device from USB cable (Refer to Figure.8)
 

(Figure.8)