COMPORT Selected.

For modem Huawei Bolt E5372S : Modem must be in the condition "download mode"

Unlock/Relock process :
a. Turn off modem, remove the battery, then plug in battery.
b. Press and hold the power button and menu button.
c. if the display shows "force download", release menu button and press button again very quickly.
d. until the display shows -arrow up/download mode- "Do Not Power Off".

After that will be detected 3 COM port.
1- COM port Modem
2- COM port Application
3- COM port UI Interface.
Select option 3, the COM port PC UI Interface.

**skip check/check status, because the modem in conditions download mode
start to unlock/relock...waiting

Link Download :
* Rapigator