boot_recovery
nc -p 3000 -u bebxxx 3000
#update back end fpga bcp download.bit bebxxx:/fw0 #update front left fpga bcp download.bit bebxxx:/febl #update front right fpga bcp download.bit bebxxx:/febr #update kernel bcp download.bit bebxxx:/kernelPlease update bit files with great caution as it could make your board inaccessible, if done incorrectly.