As we know, this router ships with firmware version 1.6.9 installed. If you plan to use this router with any of the below devices, you will need to update the firmware
before using the router (all other routers on the compatibility list will work with the pre-installed firmware):
AT&T Sierra Compass 888
AT&T USBConnect Velocity
T-Mobile Huawei E181 (T-Mobile webConnect USB)
T-Mobile Huawei E1691 (T-Mobile webConnect Jet USB)
Telus Huawei E182E
Cellcom AxxessTel MV240
Sierra 250U 3G/4G USB
The latest firmware version is included on CD and you can easily upgrade the firmware yourself; alternatively, 3Gstore can perform the upgrade for you before shipping your router for $15. To have 3Gstore update your firmware before shipping, select.
Upgrade to firmware 1.7.0
"Download upgrade to firmware 1.7.0".
"Download 1.7.0 release notes (pdf) "
