QOS features cell phones scattered around the levels of which you can pick up and gain additional information.The phones omit a tone when you are close and flash. You simply highlight them press X or Square and you'll see what details it has given you - often being helpful for the mission you're on. The cell phones info is ordered from earliest to latest. So if you pick one up and there's a gap in the list, you've come too far and need to go back if you can and find the missing phone. You can press the Back button at any time to to see what cell phones info you have gathered. if you die before reaching a checkpoint you'll have to grab the phones again.
CELL PHONES
1. As soon as you avoid the car at the beginning, check in front of the burnt out car for the cell phone.
2. As soon as you enter the underground car park there is an office on your left. There is a cell phone inside.
3. In the underground car park, at the back and right there is another office with a cell phone.
4. As you exit the car park area, you need to hack a door. Once inside there is a cell phone in the kitchen area on the right.
5. As you exit the burning kitchen area you'll enter a dining room. At the far end on the right is a closet with a cell phone inside.
