The one from 17 I think is not supported yet I have gone to the mansion a few times at that time (noon I think) but nothing happens, but about the phone you have to take it to melissa (the hot goth from school) and she´ll try to hack it.
Couldn´t really tell you, if you enter that room by the secrect passage (where the maid is tied) you can have 17 wash you and jerk you off, but it seems like that is not the event since is still showing ¯\_(ツ)_/¯
