I have same issue, I had below:
===================================================================
DC - Unlocker 2 Client 1.00.1403
Detecting modem :
selection :
manufacturer - Huawei modems
model - Auto detect (recommended)
Found Applications port COM10
Found modem : E8372
Model : Huawei AuthVer 4 modem (New)
IMEI : 86645702376xxxx
Serial NR. : B7Z7S1652200xxxx
Firmware : 21.321.01.00.306
Dashboard version : WEBUI_17.100.15.06.306_RE5
Web UI version : WEBUI_17.100.15.06.306_RE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 0 (unlock attempts left : 10)
===================================================================
I unlocked to below without Dismantle:
===================================================================
DC - Unlocker 2 Client 1.00.1403
Detecting modem :
selection :
manufacturer - Huawei modems
model - Auto detect (recommended)
Enabling Huawei modem driver... OK
Waiting for Huawei modem...
Found Applications port COM11
Found modem : E8372
Model : Huawei E8372h
IMEI : 86645702376xxxx
Serial NR. : B7Z7S1652200xxxx
Firmware : 21.318.01.01.306
Compile date / time : Sep 20 2016 21:52:32
Hardware ver. : CL1E8372HM
Dashboard version : WEBUI_18.100.11.04.306_RE5
Web UI version : WEBUI_18.100.11.04.306_RE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 0 (unlock attempts left : 10)
===================================================================
Then I didn't like the webUI so, I tried to apply General Firmware but now device is bricked, I have dismantled device to try to boot point and erase and reflash but stuck
HUAWEI Mobile Connect - 3G PC UI Interface won't change to FC UI