How to safely shut down or force shut down HTC devices

HTC Tattoo HTC Tattoo
HTC DROID ERIS HTC DROID ERIS
HTC Droid Incredible HTC Droid Incredible
HTC Evo 4G HTC Evo 4G
HTC Google Nexus One HTC Google Nexus One
HTC Rider HTC Rider
HTC Legend HTC Legend
HTC Desire HTC Desire
HTC Wildfire HTC Wildfire
HTC Wildfire CDMA HTC Wildfire CDMA
HTC Aria HTC Aria
HTC Evo 4G+ HTC Evo 4G+
HTC Paradise HTC Paradise
HTC Desire Z HTC Desire Z
HTC Desire HD HTC Desire HD
HTC Gratia HTC Gratia
HTC EVO Shift 4G HTC EVO Shift 4G
HTC ThunderBolt 4G HTC ThunderBolt 4G
HTC Inspire 4G HTC Inspire 4G
HTC EVO View 4G HTC EVO View 4G