Open first back side of the controller. If you have any problems opening your controller then on YouTube you can find many videos with explanations how to do it. Search for ”disassemble a ps3 controller”.
Opened controller. Gray piece is the battery.
Disconnect battery from the green board. Try to hold white connector and don't pull the wires.
1. To change main modes just tap Select button 1 time and you will see that 4th LED will blink 1 time and stay ON. If blink 1 time then it Mode1. 2. Tap again Select button 1 time and you will see that 4th LED will blink 2 times and stay ON.
Change 2nd sub-modes. Game button layout must be "Default". Go to the COD game menu and change button layout to "Default" if you have other button layout. Choose for example Mode5 (tap Select button a few times until 4th LED will blink 5 times). 1.
that 3rd LED turn OFF. 5. Push to shoot Rapid Fire but will be without Drop Shot. 6. Again with your thumb finger tap 1 time both buttons the same time. You will see that 3rd LED turn ON. 7. Push to shoot Rapid Fire and your weapon again will shoot Rapid Fire and Drop down.
Now we can save our changes or cancel them. To cancel all the chages just turn OFF your controll. To save all the changes (1st sub-mode changes and speed changes) push and hold again button for more then 4 seconds until the 4th LED will turn ON.
2. Choose Mode 0. 3. Choose Quick Scope. 4. Push and hold button. 5. After 4 seconds the 4th LED will blink. 6. Count the required number of blinks for your weapon and release button when it blinked required number. For example if your weapon MW2-Barret.50CAL then count 14 blinks and immediately release button.