The following articles may also be of interest
A firmware update is available for the Huawei E5, aka the iMo, also known as the E5830 / E5832.
The update is a self-contained executable that needs to be run on a Windows host, and is only intended for unlocked units purchased from Brightpoint. Compatibility with network-branded equipment is not guaranteed.
The update can be downloaded from the FTP site here - http://ukblog.im-mobility.com/public/support/Huawei/e5832/WLCGCPU11020_U...