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[kicer <joykicer@xxxxxxxxx>]

** Description changed:

  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.
+ download Verizon firmware always failed.
  
  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!

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to gobi-loader in Ubuntu.
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.

  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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