# remove the battery
# same as on the G1, hold home and end call till you see the little triangle warning thing. This can take several seconds before this appears, so don't let go of those buttons....!
# Let go of the buttons when the triangle warning thing appears, and then press them again. Home and End call.
# Writing appears. Use the track ball or volume buttons to scroll to the option you want and press the trackball to select.
with this steps htc sapp100 successfully hard reset
Masters