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Christophe Devine devinechristophe at gmail.comHi, 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 software package: https://drive.google.com/file/d/0ByHQWL5Q6bSwdkJReUlJWUQ1Z3M/edit?usp=sharing -cde 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: > > 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 > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20140401/868b0db9/attachment.htm>