baseband-devel April 2014

baseband-devel@lists.osmocom.org

14 participants
31 discussions

Re: Motorola C139 V1.9.24 Won't Load from osmocom-bb

by msokolov＠ivan.Harhan.ORG

Sylvain Munaut <246tnt(a)gmail.com> wrote: > If that doesn't yield anything you might need to > dump the flash (how ? good question ... no idea what option there is > without being able to load code. jtag, or chip unsoldering ?), and > reverse engineer the boot loader to see what changed. I have just posted flash images read out of two C139s and one C140, along with an annotated disassembly of the bootloader and other reverse eng notes: ftp://ftp.ifctf.org/pub/GSM/Compal/ Hopefully someone will find it helpful... To the OP: in case you haven't already figured it out, you need to use -m c140xor with C139 and C140 phones. I don't know what phones would -m c140 (w/o xor) be correct for, if any. Sylvain's direction to use the -c option as well (and then use *.highram.bin instead of *.compalram.bin) is also correct, because the images are bigger than the ~15k max one can download w/o -c on this phone. Also you said your C139 came with fw version "V1.9.24" - are you sure it isn't V1.0.24 instead? The imprint on those stickers is a pain to read, too small... If your fw version is actually V1.0.24, then it is the exact same one I have just dumped and reverse-engineered. HTH, SF

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baseband-devel April 2014