Build Guide:

1. Linux os: Fedora 10 and above
2. install tcl8.4.13-src.tar.gz, expect-5.43.0.tar.gz
3. download ptxdist-1.99.6.tgz, ptxdist-1.99.6-patches.tgz at /usr/share/lib/ptxdist-1.99.6
4. compile and install ptxdist-1.99.6 at /usr/share/bin/ptxdist-1.99.6
5. install arm-2006q3 at directory /usr/local/arm-2006q3
6. replace /usr/share/lib/ptxdist-1.99.6/rules/post/images.make with file images.make
7. tar -zxf E585_V504SP03_Open_Source.tar.bz2
8. goto LINUX/target/msm7625, run make
9. copy apps.mbn to directory release
10. run Make_APP.bat in windows system to build a upgradeable firmware.
11. run E585_Vx.x_ARM11_WEB.exe to upgrade E585

you are free to contact with huawei by Mobile@huawei.com if you have some compile issues.
  
Notes:
  It is out of huawei's responsibility if E5 is crashed after download fireware which you changed.