![advanced get version 7.6 advanced get version 7.6](https://docs.citrix.com/en-us/licensing/current-release/media/ud-license-matrix.png)
Maximum wireless signal rate derived from IEEE Standard 802.11 specifications. Please DO NOT power off or reboot the device during firmware upgrade, otherwise, it may result to a corrupt firmware and cause the device not to work.
![advanced get version 7.6 advanced get version 7.6](https://www.elastic.co/guide/en/elasticsearch/reference/current/images/transform-ex1-1.jpg)
#Advanced get version 7.6 upgrade
After firmware upgrade is done and boots up the system, it changes to steady amber color. The Power LED should be blinking (amber) during firmware upgrade.
![advanced get version 7.6 advanced get version 7.6](https://www.brookings.edu/wp-content/uploads/2016/08/metro_20160805_advancedindustries_figure5.jpg)