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Message #44541
[Bug 1279203] Re: gobi_loader load Verizon firmware failed
Sorry for the target package should be gobi-loader.
** Package changed: modemmanager (Ubuntu) => gobi-loader (Ubuntu)
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https://bugs.launchpad.net/bugs/1279203
Title:
gobi_loader load Verizon firmware failed
Status in “gobi-loader” package in Ubuntu:
New
Bug description:
I have a gobi2000 3g wwan card installed in a openwrt router,
gobi_loader(http://www.codon.org.uk/~mjg59/gobi_loader/download/gobi_loader-0.7.tar.gz)
download Verizon firmware always failed. In linux-desktop, gobi_loader
include in modemmanager, so I make this bug report.
After do some usb monitor I found the magic4 package error when download apps.mbn file. This magic package(81bytes) less a byte than download firmare in windows(82bytes):
http://www.zimagez.com/zimage/screenshot-02122014-022251pm.php
With several attempts, I think should encode all magic package same with ppp protocol, use 0x7d as an escape character as this:
0x7e -> 0x7d 0x5e
0x7d -> 0x7d 0x5d
It works fine with my router and laptop even with CDMA or GSM service,
hope it can helps for someone with same issue. Here is the github
project of my fix: https://github.com/kicer/gobi_loader. Maybe this
fix should commit to branch after review. Thanks!
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