Android G1 Factory Reset

Hold Home-Key and End-Key (End-Key = power button)

See the Restore screen appear.

Soft reset

Press Home-Key and Back-Key

Hard reset

Open keyboard

Press Alt-Key and the letter W key

Bootloader Mode

Hold the Camera button and press the Power button to start in bootloader mode

Exit Bootloader Mode Hold all three at once: Call / Menu / End-Key