how I upgrad my k-jam by sd card

[ammbil]

is there any way to upgrad my K-jam by useing the sd card as some other devices like jas jam by renameing the rom file and save it on the card
I mean to flash with out cable just by the card
my device dos't make any connection with the computer so I use the cable only to charg the battery

[starkwong]

No, htc devices doesn't use that method.
SD method in htc is only suitable for unlocked G3 wizard, and the SD image can only be generated from a working unlocked G3 wizard, you can't generate the image from ROM file.

[ammbil]

I did that but in other way I could to copy the new rom from other k-jam device to my sd card then i put the card in my device
but now I haven't an other k-jam device I only have the one how has a problem in usb
by the way I unlocked my device and it 3g