*Don't use any VPN service during upgrading.
During the upgrade process, DexArm will be disconnected, don't worry it will reconnect in the next few seconds.
💡If it is stuck in load firmware more than
1 minute, reconnect DexArm, and try again.
Once reconnect, it will pop up a window to upgrade firmware.
If failed to upgrade, check this troubleshooting to upgrade with 3rd party software - HERE.