Muchas gracias Mahg, ya me he puesto manos a la obra y esto es lo que me responde el movil de los comandos que me has comentado
C:\android>fastboot oem getvar cid
...
(bootloader) [ERR] Command error !!!
OKAY [ 0.016s]
finished. total time: 0.016s
C:\android>fastboot oem getvar cid
< waiting for device >
...
(bootloader) [ERR] Command error !!!
OKAY [ 0.000s]
finished. total time: 0.000s
C:\android>fastboot oem writecid HTC__001
...
(bootloader) vreg_set: request is duplicated id 14
(bootloader) shooter_u_init_sd, SD card power on ok
(bootloader) sdcc_init_memory_device done
(bootloader) [FAT_ERROR] fat_open_file: can not find SMART_IO.CRD
(bootloader) [JAVACARD_ERR] SMART_IO.CRD cann't find
OKAY [ 1.094s]
finished. total time: 1.094s
por cierto tengo el cid VODAP304
no se pq me da estos errores, alguna idea gracias