oh im using 3.1.3 on the 1st iphone generation , i got it jailbroken with a theme on there but it should make no difference , the app is uptodate , and while i had my 3gs the filter was never there either my 3gs was running 4.1 and i had it till about 2 weeks ago? and is the filter called then cause iv looked in settings and the filter and the sort field. u want to tell me where the filter is at?