How to Flash your Xbox 360 DVD Drive
What you need:
- Xbox 360
- Torx-10 Screwdriver
- Small Centimeter Wedge
- Compatible Motherboard SATA Chipset or a PCI VIA6421A Card
- SATA Cable
- Connectivity Kit v3
- JungleFlasher
For the sake of time, this will be a general tutorial and the rest is up for you to read the Manual provided by JungleFlasher.
Tutorial:
Step 1: Open up the Xbox with the Wedge and Torx Screwdriver. Use this guide is you get stuck. Disassemble the Xbox 360
Step 2: Lift the Drive out of the case and disconnect the Power and SATA Cable.
Step 3: Connect the drive to your PC via the PCI Card (VIA6421A) or your compatible onboard ports.
Step 4: Open JungleFlasher on your PC making sure you click Run as Administrator.

Step 5: Follow the JungleFlasher tutorial found here, it is very comprehensive and everything you need to know is in there.

Step 6: When done flashing, make sure you keep a backup of your firmware and save it somewhere.
Step 7: Reassemble your Xbox and make sure you keep the Warranty Sticker somewhere.