Samsung has released first firmwares for Galaxy Express I8730 and is available for a download. Galaxy Express is 4.5 inch Super AMOLED 480 x 800 (WVGA) 4G mid range smartphone powered by 1.2 Dual-Core processor. XWAMC4 Android 4.1.2 Jelly Bean for Galaxy Express I8730 is available for download for Baltic countries. Those who are waiting to install the latest firmware can go through the guide to install I8730XWAMC4 firmware manually on your device, the firmware is also available OTA and can also be installed via Kies Software. XWAMC4 Android 4.1.2 Jelly Bean is an official firmware update by Samsung for Galaxy Express I8730 and not a Custom ROM, you will lose root.
To flash the firmware on Galaxy Express I8730 Odin is used.
Date: 2013 March
The guide mentioned below is only for Galaxy Express I8730 and is not compatible with any other device. To know the model number of your device go to Settings >> About Phone.
We cannot be held liable of any damage done to your device while following the below mentioned procedure.
Install official XWAMC4 Android 4.1.2 firmware on Galaxy Express I8730
Take a complete backup of data,apps and settings as the procedure may wipe your data.
Make sure that the battery of device has a minimum charge of 60%.
Enable “USB debugging” on your device by going to Settings >> Developer options >> Enable USB debugging.
Download Kies Software to install drivers.
Download XWAMC4 Android 4.1.2 firmware (I8730XWAMC4_I8730OXXAMC3_SEB.zip) update on Galaxy Express I8730 and Odin (Odin307.zip).
Extract the Firmware file which you have downloaded in above step. You will get “.tar” file along with other files.
Extract Odin to get “Odin3 v3.07.exe” file.
Switch off device.
Boot device into download mode. Press and hold Volume Down, Home, Power till device turns on and then press Volume Up to enter download mode.
Connect device to computer using USB cable. Odin will detect your device and ID:COM will turn yellow and a message appears saying “Added”. Re-install drivers if Odin fails to detect device.
Click on “PDA button” in Odin and navigate to select “.tar″ file which you have downloaded.
In Odin make sure that “Auto Reboot” and “F.Reset Time” are selected and “Re-Partition” check box is unchecked.
Click on Start button in Odin to start flashing Android 4.1.2 firmware. When flashing is complete you will get a PASS message.
Disconnect device from your computer and let it boot automatically.
XWAMC4 Android 4.1.2 firmware on Galaxy Express I8730 is now installed. You can check firmware version by going to Settings >> About Phone.