flash bằng mxkey thì báo lỗi như thế này

Version from phone: 07.21
Version from file: 07.21
Using device: POTATO BOX, FW ver: 01.B1
Library version: 1.0.0.8980(18-10-2010), 1.0.0.14844(18-10-2010)
Unknown ID !
Error getting boot info !
Read Certificate failed.
NPC_DATA is empty.
SUPERDONGLE_KEY_DATA saved OK
CMLA_KEY_DATA saved OK
WMDRM_PD_DATA saved OK
RF_DATA saved OK
WARRANTY_DATA saved OK
PROD_DATA saved OK
BT_DATA saved OK
LOCK_DATA saved OK
BB_DATA saved OK

như thé là sao vậy các A?