HTC Dream: T-Mobile G1


- Bootloader: Nhấn phím Home + Power.
- Hard Reset:
+ Turn the G1 off. If it’s frozen on, take the battery out and put it back in the unit.
+ Hold the Home and Power keys down at same time for about 25 seconds. You will see a yellow triangle screen with exclamation point in themiddle.
Now to wipe the device clean:
+ Press Alt+L.4. Press Alt+W for a factory reset.5. Press the Home and Back keys again for about 25 seconds.The device should then reset again and the hard reset is complete.