The Matrix Freedom PCB is a full replacement for your Liteon DG-16D4S Drive logic board. It is 100% compatible with 9504, 0272, 0225, 1071 and 0401 DVD firmware revisions. The MTX Freedom is completely solder-less, and can be installed without the need of solder tools or special equipment. The addition of an External Programmer ensures also that you will never have to open again your Xbox360 to re-flashyour drive with an updated firmware. Using the Freedom Manager Software you are now able to switch from your original Firmware to a custom firmware with the click of a button. A feature that NO ONE else can offer you in the market.