I followed this instructions: https://communities.intel.com/docs/DOC-23200#jive_content_id_Step_3__Download_the_latest_image
I ran flashall --recovery then flashall and now it gets stuck while booting at this stage:
U-Boot 2014.04 (Oct 14 2014 - 15:19:04)
Watchdog enabled
DRAM: 980.6 MiB
MMC: tangier_sdhci: 0
In: serial
Out: serial
Err: serial
Hit any key to stop autoboot: 0
Target:ifwi
Partitioning already done...
Partitioning already done...
Saving Environment to MMC...
Writing to MMC(0)... done
GADGET DRIVER: usb_dnl_dfu