Do you own iTel it 1508? If yes, then you need to download the required drivers for your device. Here, you will find the official drivers for iTel It 1508. Just follow the article and you are good to go.
Do you own Itel A42 Plus? If yes, then you need to download the USB Flash Drivers for your device in order to connect it to a computer or flashing firmware on your device. Here, you will find the officially released drivers for your Itel A42 Plus.