Upgrade Android OS From 4.1 To 4.4 (KitKat)

Android has been heavily criticised for its OS fragmentation.
Basically each android OS has it own nickname.
Below is the list of all Android Operating System till date,
the latest is the 5.0 OS nicknamed Lollipop.

• Android 2.3.3 - 2.3.7 Gingerbread, 
• Android 4.0.4 - 4.0.4 Ice Cream Sandwich,
• Android 4.1 - 4.3 Jelly Bean,
• Android 4.4.2 - 4.4.4 KitKat,
• Android 5.0 LolliPop

Warning:

1. Please do backup your android system or backup 

          all your applications and information stored in your device 

          because the update will involve making all wipes.

          click here to learn how to back up your ROM

      2. I am not responsible neither is Android for any 

          consequences that this process can result for your 

          device if you do not follow all instruction exactly.

      3. Enable the USB Debugging through Settings >> About Phone

      4. Tap 7times on Build number till you see "You are now a developer"

      5. If you have rooted your devices b4 skip step 4

      6. Root your device here if not rooted before here

      7. Charge your Android phone or device to full battery

How Do I Update the Device To Android 4.4.2 Without losing Root?

•  Download SuperSU to your SD card here

         click here to root your device

• Download the ROM file that best suit you here or use here
• Make sure the ROM file is on your SD card as well, 

          if not copy it to your sd card

• Power off your device, press and hold the power button 

         and volume down button to enter CWM recovery 

         (recovery mode may vary on android devices)

• When in the recovery mode make use of the power button 

          to select and volume up or down to scroll

• Make all wipe in the recovery mode: first wipe >> 

         Advanced wipe and wipe cache >> System, Data and Cache.

• Return to the main menu and press CWM recovery in the install menu
• Browse through the folder to locate your device SD card 

          with the ROM file and select it

• Once the ROM is flashed with Android 4.4.2, return to the

           main menu and install the archive-UPDATE-SuperSU-vx.xx.zip file.

• Once done reboot your android device.

Your Android device OS should be 4.4.2 (kitkat) and rooted now.
If any problem occurs do use the comment box and I will get back to you.



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