Verizon has finally released a version of VZAccess Manager that adds official support for the UML290 3G/4G LTE USB modem! VZAccess Manager 7.2.4 (2534b) which adds UML290 support requires Mac OS X 10.4 or newer & requires an intel processor.

Download VZAccess Manager for UML290 Mac Support

Read the full article: Verizon Officially Adds Mac OS X Support for UML290