UPGRADE SAMSUNG GALAXY S3 FIRMWARE
•How to upgrade your android firmware using Samsung kies.
1 backup your important data before updating check out this tutorial : backup data.
2 download Samsung kies from here Samsung kies .
3 connect your phone to your computer using USB data cable.
4 open kies on your computer.
5 when your phone connected to kies then it will automatically check for the latest firmware for your phone.
6 if there is nothing happens then pull down the status bar(notification area) of your phone and you see it says connected as camera press that area to change your USB option and pick the connect as media device.
7 and click on firmware upgrade from basic info. tab.
8 now you all done firmware will upgrade in a while depends upon your internet connection.
9 your phone will restart automatically.
10 now your phone is upgraded to latest firmware.
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