Wirelessly posted (htc Pocket PC: Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11) Sprint MP6950SP)
When you get the incorrect password message have you tried soft resetting and then after it resets try your password again?
I had this problem sometimes on my old Vogue and I would soft reset and then it would work.
Maybe it's another bug on that rom.