Redirects but does not login

Im using wordpress 3.4.1 and the updated 2.5.1 of the plugin with buddypress 1.6.1.....

I have had alot of issues in the past month or so with this...when i use an ISO phone, safari mobile version or android OS...the plugin redirects to the website but does not login... i have changed themese, updated functions.php, searched the google database 100 times ...im lost on this. is this another facebook issue?