Certain bugs have been reported related to some functions and apps of Samsung Galaxy S4 such as error "999" in Samsung Hub App and integration issues with the Samsung account. This new official firmware update fixes those bugs and upgrades your Galaxy S4 to an all new Android 4.2.2 Jelly Bean OS.

The released official firmware update works only for Galaxy S4 with model numbers GT-I9505 and GT-I9500 containing Android 4.2.2 Jelly Bean and fixes all major bugs of the stock ROM running your smartphone. Installing this firmware will not root your Galaxy S4 and you can apply the update regardless of country since it was released by Samsung.

Normally, Samsung Kies PC Suite is used to update your device by simply installing the software on your computer, connecting the handset and following the instruction guide. If you do not receive an update from Samsung Kies, you can install the update manually.

Things to Do First

1. Create a backup of all your personal information, settings and data files on your Galaxy S4.

2. Install the drivers needed for Galaxy S4. You can get these drivers by installing Samsung Kies on your computer.

3. Enable USB debugging mode, go to Settings > Applications > Development > USB debugging.

4. Your Galaxy S4 should unlocked. Variants locked to network carriers are not viable for this update.

5. The device must have at least 50 per cent battery level to avoid power interruption.

6. Download one of the firmware compatible with your handset: GT-I9500 Firmware or GT-I9505 Firmware.

7. Download the Odin tool.

Warning: This installation may harm your device and possibly can cause damage if you do not follow the instructions carefully. No one will be held responsible to any errors may occur of your device.

Flashing Instructions

1. Turn off your Galaxy S4 and reboot it into Download mode. To do that, after switching off the device, press and hold Volume down + Menu + Power key.

2. Extract both the firmware file and the Odin tool you have downloaded.

3. Launch the Odin tool you have extracted on your computer.

4. Once you see the Green Android logo on your device, connect the Galaxy S4 to the computer using a USB cable.

5. The ID:COM section on the Odin tool should turn to Yellow or Green indicating that all drivers are installed.

6. Click on the "PDA" button in the Odin and select the "tar" file you have extracted from the firmware file. For certain packages include the following:

a. "Phone" for "modem" file.

b. "CSC" for "csc file.

c. "PIT" for "pit" file.

You can ignore them if such files are missing.

7. Enable "Auto Reboot" and "F. Reset Time" in the Odin tool and check only the "Re-Partition" if you chose the "PIT" file.

8. Click "Start" to begin installation and be patient with it. The update may take up to 15 minutes including the flashing, rebooting and boot up for the first run on your Galaxy S4.

9. Disconnect the device once you have seen the home screen displaying the language selection.

10. All done! You have updated the device running Android 4.2.2 Jelly Bean and fixed all the major bugs from its previous version.

In case you got stuck with the boot loop, you can remove and reinsert the battery then follow the instructions again above.

For comments or suggestions, you can send your feedback to Team Android for the GT-I9500 update and to Android Advices for the GT-I9505.

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