Samsung Galaxy S Froyo Firmware Upgrade Using Kies

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I’ve just upgraded my Samsung Galaxy S firmware from Android 2.1 to Android 2.2 Froyo.

Update: Refer to my latest guide to upgrade Samsung Galaxy S to 2.2.1.

This step-by-step guide will show my Galaxy S brothers and sisters how to upgrade Samsung Galaxy S to Android 2.2 Froyo.

This guide applies to SGS phones bought from Maxis Malaysia. I am not sure if it applies to phones from other countries.

Before you begin, make sure your phone battery is fully charged, otherwise Kies won’t allow you to proceed.

You also need a stable (and fast) Internet connection.

The Steps

1. Install / update the latest Samsung Kies software (version or later). You need to use a Windows PC so Mac users like me have to borrow a Windows machine.

2. It is strongly advised that you backup the contents of your SD card, contacts, photos, etc to your computer. There is no way to backup your text messages and call logs unless you use third party apps.

I used AppBrain to store a list of all my installed apps.

Don’t worry, if everything goes well your data should remain the same.

3. I used RyanZA’s One Click Lag Fix, so I reversed the lag fix and unrooted my phone. I’m not sure if this is necessary but I wanted to be safe.

4. Connect your phone via USB to your computer. If Kies cannot detect your phone, you can refer to this hub page to fix that problem.

5.  Kies will inform you that a new firmware is available for your phone. Click on the box where it says “<GT-I9000>’s firmware can be upgraded. Please click here to upgrade firmware)”.

6. You will be given an option to backup your contacts.

7. A popup window will appear showing you your current firmware. You will see something like:

Current Version: PDA:JF4 / PHONE:JF4 / CSC:JF4
Latest Version: PDA:JPA / PHONE:JPA / CSC:JPA

If you are in another country, you may see another Firmware such as JPM. Don’t worry because JP means it’s Froyo. The A or M at the end is used to denote the region.

Warning: Make sure you are using the right firmware version for your phone. I repeat, I used the JPA version because my phone was bought in Maxis Malaysia.

8. Click Upgrade, accept the terms and condition and click Next.

9. You will be given an option to save phone numbers in Samsung servers. I chose ‘Proceed without Saving’ and clicked Next.

10. Wait for Kies to download the firmware from the Internet. I waited 90 minutes. Don’t disconnect your phone from your USB cable, guard it with your life!

Fun isn’t it? So many steps to do a simple firmware upgrade. I wonder if iPhone users have to go through so many steps.

11. After Kies completes the upgrade, your phone will reboot. It will stay at the startup animation for about 5 minutes.

12. You will then see the new lock screen, and you’re done (cute baby not included)!

New Froyo Unlock Screen

Just go to Settings -> About Phone to check the firmware version.

Samsung Galaxy S Froyo Firmware Version

You just need to setup your home screens icons, folders and shortcuts.

All my media, contacts, and apps were still there after the upgrade.


  1. Speed. I haven’t even done the Lag Fix yet and it is almost as fast.
  2. Flash support (hello Flash games!)
  3. Pinch to zoom flyover on home and application screens
  4. GPS toggle button in notification bar
  5. Interface improvements such as new icons and colours
  6. Access to more applications. Previously I could not access some free apps like Angry Birds but now I can. Maybe those apps were locked to Froyo and above only.
  7. GMail app upgrade (but not much difference)
  8. Camera app upgrade
  9. New apps such as Google Places, Latitude, etc.
  10. Screen capture by holding home and back buttons. Really useful!
  11. An easier way to drag and drop the cursor during text entry.


  1. The GPS is still unreliable. Hard to get solid fix on GPS satellites even when outdoors.
  2. Lag is still noticeable when doing heavy data reading and writing, though there is a vast improvement from before.


You really should upgrade if you have a Samsung Galaxy S.

I know it may sound like a scary process but just take precautions and it will be okay.

Thank you Samsung Mobile for delivering the Froyo upgrade, great job.

Is it too much to ask for Gingerbread or HoneyComb?

14 thoughts on “Samsung Galaxy S Froyo Firmware Upgrade Using Kies”

  1. hey, i updated mine 2 months ago but i notice my phone lags a lot now. Any solutions? And kies does not seem to show any 2.2.1 updates

    Adino: You may need to check if 2.2.1 has been made available in your region. Make sure you install the correct version of Kies.

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