Motorola C139 V1.9.24 Won't Load from osmocom-bb
devinechristophe at gmail.com
Tue Apr 1 09:25:19 UTC 2014
I had a similar problem with a tracfone branded c139 (ftmtool error). On
IRC, Hoernchen mentioned an older post where the author "fixed" the
bootloader. He also mentioned a pastebin that referenced a tool called
mot931c. I managed to find it and could successfully reflah my tracfone's
bootloader, which now loads osmocom-bb without issue. Here's the reuploaded
On Mon, Mar 31, 2014 at 10:53 AM, Michael Spacefalcon <
msokolov at ivan.harhan.org> wrote:
> Sylvain Munaut <246tnt at 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:
> 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
> 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.
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