How to update Galaxy W I8150 to Android 4.1.2 SlimBean 3.1 Jelly Bean

How to update Galaxy W I8150 to Android 4.1.2 SlimBean 3.1 Jelly Bean ... Now user can update Galaxy W I8150 to Android 4.1.2 SlimBean 3.1 Jelly Bean.

Here is the complete tutorial how you can it. Before going to forward, do not forget to backup all your personal data and apps.

Android 4.1.2 SlimBean 3.1 Jelly Bean Firmware Working Features:

•     GSM (Both calls and data)
•     Audio
•     Wifi
•     GPS
•     Compass
•     Bluetooth file transfer
•     USB mass storage
•     HW acceleration
•     Google Now
•     Camera
•     Tethering USB

1. Enable the Debugging Mode. By enable the debugging mode you can connect own android phone with PC.

2. You should check your battery. Your batter should be 80% to 85% charges. If your phone will be off during flashing ROMs or installing mods and updates due to low battery. Then your Phone will be dead permanently.

3. As, i told you. You should back up all your date. You will need it for new ROM.

4. Your Phone should be Unlocked.

Now we move forward and important part.

Here is the complete detail in different steps.
Read the all steps carefully.

Step 1
Download Android 4.1.2 SlimBean 3.1 Jelly Bean ROM and Google Apps for Galaxy W on your PC, if you haven’t already.

Step 2
Connect and mount your Galaxy W USB memory on your computer using the USB cable.

Step 3
Now copy/paste the Android 4.1.2 ROM zip and Google Apps zip files to your SD card. Make sure the files are in the SD card root.

Step 4
Then turn OFF your phone.

Step 5
Now to get in the recovery mode. Switch ON the phone while pressing and holding the Volume Up + Home + Power buttons.

Step 6
Follow the navigation instructions on the screen. Select BOOTLOADER and then go to RECOVERY.

Step 7
In ClockworkMod recovery, wipe data first. Then scroll down to “flash zip from SD card” and press the Power button to select it.

Step 8
Press the Power button again and select “choose zip from sdcard”.

Step 9
Now using your volume keys, navigate to Android 4.1.2 ROM zip file and select it using the Power button. Confirm the installation on the next screen and the installation procedure should start now.

NOTE: Repeat this step for the Google Apps zip file as well.

Step 10
After the installation completes, go to “+++++Go Back” and reboot the phone by selecting “reboot system now” from the recovery menu. The phone will boot now and it might take about 5 minutes to boot on your first time. So, please wait.

Now Galaxy W I8150 updated to Android 4.1.2 SlimBean 3.1 Jelly Bean.