You Might Like :- LG G3 Specs, Features, Price and Images : The Tech Giant How to Get Knock Code Lock on Any Android Device :- For the Knock Code to work you must have a rooted device. Step 1 :- Firstly Download and Xposed Framework on your device by clicking on the below button. Download Xposed Framework from XDA Step 2 :- Now after installing Open it and Activate it on your device. Step 3 :- Now from the Xposed Installer app, head to the Download section, search for Knock Code (while screen on), and install the latest version. You can also install the mod directly from here. Step 4 :- Now after installing Activate the Knock Code (while screen on) by opening Xposed Framework App. Step 5 :- Now Reboot your device. Step 6 :- After Rebooting please make sure that you have set Pattern Lock in your device if not then Go to your Device Settings » Security » Screen Lock » and then add a Pattern Lock (This is for recovery, if you forgot your Knock Code Pattern). Step 7 :- After Setting the Pattern Lock open the Knock Code App from you app drawer and click on Change Lock Code option to set knock Code pattern. Step 8 :- Now the set the desired pattern you want to unlock your device. That’s it, Now from next time when you unlock your device you will get four blocks on your screen, just tap the way you set them to unlock your device, isn’t this cool? Share your feed backs and queries in the comment section below.