just to add on to leadnerds thread, following this procedure will do a factory data reset--
"menu" ----> settings ------> Privacy-------> Factory data Reset.
be careful this will erase all your data from your phone, including..
your google acct.
system and application data and settings
downloaded apps.
it will not erase--
system firmware
bundled aplications
sd card files,such as music and pics.
prl,sid/nid,ect.
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