LCD is known as liquid crystal display. A broken LCD will not be able to show any display. Sometimes it also stops the cellphone to power it on.
Apply a clear tape on the screen to prevent from any additional damage
Put it inside a protective case
Black liquid spots on display
Lines on display
Unresponsive touch display sensor
Dropping or smashing iPhone 6 on the floor or concrete.
Overcharging by which battery gets excessively hot and leads to burnt lcd
Dropping in the water or any form of liquid.
Applying excessive pressure on touch screen
Call us and we will come to you and repair your device in 20- 30 mins, along with warranty. Travelling charges are free and our technician will come on the same day. If you live out of town then you can ship us your device with check or money order . We will fix your device and ship it back to you within a day after receiving it