Up Zenfone Guide to Android version 4.4 kitkat simple. It is quite effective and really simple vs. those who do not understand about Android Step 1: Download the tool upgrade Zenfone
First of you on the link below to download this upgrade tool
Link
Step 2: You download and install the drivers for the phone Zenfone
Link
Step 3: Enable USB debugging mode on your phone
Step 4: Connect the USB cable to connect your phone to the computer, wait for the computer recognizes the phone
Step 5: Extract tool, just download and run the file "flash.bat"
- Select 1 if you want to upgrade your phone to 4.4.2 Zenfone 5
- Select 2 if you want to upgrade your phone to 4.4.2 Zenfone 6
Note: Tool upgrade Zenfone in all codes (CN, TW, CUCC, CHT, WW) and in all versions up to 4.4.2 directly without needing to upgrade manually step by step
step 6
After you select the program, press enter to start running on the phone screen if there does bulletin board, then you choose to agree
step 7
When the program announcement put the phone into the "recovery" is on your phone using the volume key up or down to select the line to recovery then press power to put the phone into recovery mode.
When the phone appears in the backs of your android keep the volume down key and press the volume up to enter recovery mode. Then select the line "apply update from ADB" and hit enter on your computer for the program to continue the upgrade process.
When the upgrade is complete you wipe data, cache, reboot the phone and enjoy the latest 4.4.2 rom Zenfone.