Returning a damaged phone -- how to ensure it's completely clear of personal info?

[exi]

Originally Posted by eenieMINI

hard reset on diamond:

Take out battery, replace battery (phone off)
Hold volume down, center button then power (all 3 at once will put you in a screen to ask if you want...
1. press volup to restore manufacture default
2. press voldown to restore manufacture default and format moviNAND
3. press any other key to cancel.

Took about 3 seconds of holding all three keys for this screen to come up.. so count to 4 let go of buttons then make your choice...

Surprisingly enough, even though I thought the hard keys were toast, this did the trick by touch. Thanks for the reminder.

[eenieMINI]

cool!