2. Remove battery and power adapter cable 3. Wait for 5 seconds 4. Replace battery, close and lock battery cover 5. Attach power adapter cable 6. Keep OK button pressed while pressing on/off switch 7. From the Japanese menu, choose option 4 (Update), then 2 (SD) and finally Y Flashing starts, and you are asked if you want to flash the kernel, if you want the microdrive to be formatted and if you w