Download Amlogic Tools: BootCardMaker & USB_Burning_Tool v2.0.0.140306_Alpha from here, here or here. You can download Amlogic Image Burning Tool v.1.6.2.2 from here.
Tip: to change language in USB_Burning_Tool v2.0.0.140306_Alpha from Chinese to English, in top menu select tab 2, option 2.