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Hytera HP685 problem after FW upgrade

ProManiFest

Newbie
Joined
Jul 17, 2025
Messages
2
Hi, I have a problem, when I was trying to upgrade my HP685 to FW V3.0.12.015 first i had successful information about upgrade L2 and my hytera has reset to white screen, but I had to upgrade L3, so I took out the battery and put it back in and then my PC said "Unknown usb device (device descriptor request failed)" and my CPS and DMR Upgrade don't se connected hytera. Anyone had this issue ? What I can do with this?
 
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