trying to figure out if that's dried jizz or solder paste/flux that's on the modem
easiest way? get a flash clip and and dump the flash with a raspberry pi using flashrom, then reflash it to the other modem. $30 investment in the pi/clip if you get a cheap one.
easiest way? get a flash clip and and dump the flash with a raspberry pi using flashrom, then reflash it to the other modem. $30 investment in the pi/clip if you get a cheap one.