How to Hack in Doomsday Scenario Act 3 – GTA 5 Online

In this guide, you will find out how to hack the terminals in Doomsday Heist Act 3. The first thing you will need to do is go to the green blip on the map located at each corner of the map. There are a total of four of them and you have to hack them one by one.

You have to use the left and right or A and D if you’re on PC. Rotate in the circle to point the lasers towards a particular direction and then select the deselect node. You have to use the left Mouse button if you’re on a PC. You need to break the Blue Notes by using the lasers. After that, select and deselect the circles, then rotate them and point the lasers to reflect them until you get all the BlueNotes clear. Then you have to hack three more terminals at the corner to proceed to the next stage of the heist.