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 the mission starts, move into the room on the right, there is a cell phone next to the TV.
2. When you enter the apartment room, head to the bedroom on the left, as there is a cell phone there.
3. You'll enter the second apartment room from the outside after the spar. Follow the path until you come to a double doors on your left and a single door on the right. There is a cell phone in the room on right.
