How to unlock android phone through ADB

Question

My screen is dead and I want to unlock my phone so I can access it through Kies to backup my pictures.

I locked the phone through Android Device Manager setting an e

Answer 1

Tested in Nexus 5:

adb shell input keyevent 26 #Pressing the lock button
adb shell input touchscreen swipe 930 880 930 380 #Swipe UP
adb shell input text XXXX #Entering your passcode
adb shell input keyevent 66 #Pressing Enter

Worked for me.