# RELEASE_NOTES Please Note: You should not upgrade your device's firmware if you do not have any issues with the functionality of your device. The only time you should consider an upgrade is if you are experiencing a problem with the device, and you have confirmed that the firmware addresses this problem. You can confirm this is the case by reviewing the documentation included with the firmware or by consulting with our Technical Support team. Date: 2019-8-26 Tool Version: 2.8.1.0 - Fix Mac shutdown disconnect issue. FW Version - 0001.12.09_10.11 Date: 2019-4-29 Tool Version: 2.8.0.6 - Fix HP NB Elitebook 840 G5 cannot charge(Dead Battery) FW Version - 0001.12.09_10.10