oh whoops, I was just using a broken keyboard. system not frozen, just links.
I make errors like that a lot.
1045
v207-v222
fastboot flash system FILENAME
1047
i've got them all downloading with wget! each one is about 500M and I'm downloading at 1MB/s or so. eventually the free fast data will run out for this month on my phone, and it will slow down significantly.