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[cornelus2009]

hello. sorry my bad english.
i want to upgrade bootbase of my router ( zyxel p-870hw 51a v2), and i'm stuck at one thing.
when entering debug mode, i have several commands to do.
i am focused on 2
atbt - enable write to block0
after type this say ok, but nothing happen.
second command is
atux0 - upload bootloader to modem
after type this say, error block0 is forbbiten to write.

i need an advice.

my bootloder block0 show like in picture zyxel1.
what i'm asking is if set first byte to 00 like in picture zyxel2 , i can enable write to block0 or i damage modem ireversible ?
thanks.

i run an dissasambler on file and i get this line at first byte, anyone know the meaning of that (picture nr.3) ?

Attached Files

•  zyxel3..JPG   269.95K   30 downloads
•  zyxel2..JPG   273.09K   17 downloads
•  zyxel1..JPG   271.79K   38 downloads

Edited by cornelus2009, 07 December 2010 - 01:47 AM.