How to fix SamKey ERROR(1049) : Unable to open USB Modem port!

1) Connect phone to USB port (Powered ON)

2) Uninstall Samsung Mobile USB Modem

3) Disconnect phone from USB Port immediately after step 2 is done

4) Download and install Samsung Android USB Driver for Windows
* If you already installed SAMSUNG USB Drivers, Uninstall it first, then install from above link

5) Connect phone to USB port (Powered ON) and wait for drivers to be installed automatically

6) Make sure NO OTHER software/box is trying to connect to phone…
* Softwares like ODIN, MobileGO, HTC Sync, Fenrir, SmartSwitch, Kies, PC Studio, etc.. must be closed!

Fix SamKey ERROR(1049) : Unable to open USB Modem port!
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