Nvflash started
rcm version 0X20001
System Information:
   chip name: t20
   chip id: 0x20 major: 1 minor: 2
   chip sku: 0x8
   chip uid: 0x161c10c94240b1d7
   macrovision: disabled
   hdcp: enabled
   sbk burned: false
   dk burned: false
   boot device: emmc
   operating mode: 3
   device config strap: 1
   device config fuse: 0
   sdram config strap: 1

failed executing command 4 NvError 0x120002
setbct failed NvError 0x0
command failure: bootloader download failed (bad data)