(adsbygoogle = window.adsbygoogle || []).push({}); i have bles 00683 and ps3 fw 3.50 can anybody help me

you can't
you need jailbreak (or hunter's hack ?) to get a hacked lobby going, then start infection people..
hey, I can host speed lobby

errr 1st of all you need tye Basics :

1st Perk : preferably marathon
2nd Perk : preferably lightweight
3rd Perk : Any

Now if you want everyone to Speed about in Your " Speed Lobby "
Tell them to use the above Perks

Now in Order to start your " Speed Lobby " - Invite Everyone to your party ,

Now you have to Options : Go online to Create your " Speed Lobby " OR Go to Private Match to Create your " Speed Lobby "

Once in a game , Everyone Must Run NONE STOP

There you go , you have successfully Create your " Speed Lobby "
Hope i helped
And could you invite me to your " Speed Lobby "
Thanks

but my friends have the same but they can do the hack they just buy the game and ps3 yesterday and now they host speed lobbies i ask them how they say secret

To create a speed lobby you have to get into a challenge lobby and get infections from it.

Then just create a private match and invite your friends.