How TO Manually Update System Software Update On Zenfone 5,6,4 And Other Models

Hey Guys today's post would be on updating the system software on Zenfone's 4,5,6 and other zenmodels ..
Some Times our Device Manufactures Push The System Updates To Our Devices But Due to Few Reasons We Wont Get the System Updates via OTA.....So I will Show you How To Update The System Update in such Condition...so lets get started

1)Firstly you need to Enable the USB debugging Connecting Your Device To Pc...if you doesn't know on how to enable USB debugging go to Below Link and Know
                                               How To Enable USB Debugging
2)Now head to your Manufacture Website to Download the Firmware OF Your Device.Remember that you should download the correct matching sku only otherwise system doesn't update ...you just need to google the device name and support drivers.For Example i will Show you on For Zenfone 6..link below has the firmwares....Remember that if you sku is WW you should download only the WW firmware ,if its CN then download only CN..so before downloading the firmware check your sku and then download the matching from the website and downlaod that ..Down is the link for example of Zenfone 6 Drivers
                                 http://www.asus.com/in/support/Download/39/1/0/3/32/
3)After downloading the firware file then paste the firmware.zip file into the Internal storage of your mobile.Remember you should paste the file only in the internal directory not in any sub folder or external memory card.
4)After pasting the file remove the USB cable ......then you will see a system update popup on your mobile after disconnecting the USB cable.just say ok and click on install the update ..
5)From Here the process is Automated and the Mobile software will be updated automatically ...just wait it takes some time..be patient..
6)after everything is done you will be booted to your home screen and you can check that in System Information
7) Done...