For iPhone 6s / 6s Plus Backlight Capacitor (C4023 C4053)
If you connect your iPhone 6S / 6S Plus with the USB cable to your wall charger or PC/Mac, you may hear the vibrator turn on and sound and then you have changed the LCD/Glass assembly to make sure it is not your LCD or backlight film and, yet, you still have no screen or dim screen then you most likely have a backlight problem.
This is the Backlight Capacitor on Board replacement for iPhone 6S / 6S Plus.
It can be used to replace your got damaged and stopped working backlight Capacitor.
Ask to professional Installation.
iPhone 6S / 6S Plus designation: C4023 C4053