Copy the H600_Kitkat4.4_ota.zip to your SD card using a micro USB cable plugged in to your computer.
NOTE:
a. Please do not unzip the file. Just copy and paste it to your SD card.
b. Please make sure that is the only .zip file that is on the SD card ( to be sure have your SD card formated and delete the folders and files on your SD card except the H600_Kitkat4.4.zip ).