S60 (Symbian)
here's how to upload .SIS files without cable
2) click the phone icon. "Send to phone" tool will pop up
3) enter you phone number and press "send" (you'll get a text message with a download link)
4) click ont he link to get that file onto your phone.
Some sites let you download .sis file to the computer but how do I get them on the phone without the cables? The above method should work fine.