OUKITEL K4000 features extremely tough enough screen, but after cutting a big piece of glass into screen-sized glass pieces, there is still more than 3 times precise and accurate chemical strengthened process, ensuring the screen reaches high density and toughness for anti-smash and anti-drop.
Glass against nails, will it break? Check the video below to see the result of K4000 knock nails into wood:
Never worry about battery and the screen!
Have more idea about K4000 @Pandawill.com!