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. After going through the boathouse and your first greenhouse, directly on the wall where you shoot the helicopter (opposite greenhouse), there is a phone on the wall.
2. Moving towards the mansion on the left side. There is a table and chairs. The phone is on the table.
3. As you enter the mansion via the cellar, just as you enter the cellar by the steps is a phone.
4. After you move through the wine cellar, you'll come to an area with black and white floor tiles. Directly ahead of you on a table is a cell phone.
5. You'll work your way through a kitchen and dining room area inside the mansion. In the next room, you'll come to some stairs. On the raised area at the base of the stairs, there is a cell phone between two vases.
