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.