Samsung SCH-A870 / Siren
first, go to http://joequincy.googlepages.com/Samsung.zip to get drivers (I'd recommend putting them on your desktop) then go to bitpim.org and download the latest version.
next, connect your phone either by usb (there's a cable pack, it's the older VCast Media Kit... but it has a driver CD, so you may as well use those drivers) or bluetooth. (instructions here: http://www.howardforums.com/printthread.php?t =1067179 ) and install the drivers.
For creating ringtones, I recommend Audacity. It's free, and it works great for audio editing (make sure you get the LAME MP3 encoder from the site as well.
To put them on your phone, use Bi...