MF823 Now corrupt? OR?

[AndyBA]

Purchased a MF823 from eBay. DC-Unlocker confirmed it was locked. Packaging is from O2 UK.
Installed on W7 PC. Icon for http://o2.4gdongle/ created. I was able to browse the UI, and tried different SIM’s and configs before doing a factory reset. I was also able to browse the USB file system using Windows Exporter.
Paid my 7 euro and:

DC - Unlocker 2 Client 1.00.1430
Detecting modem :
selection :
manufacturer - ZTE modems
model - Auto detect (recommended)
Found Applications port COM8
Found Diagnostics port COM6
Found modem : MF823
Model : ZTE MF823
IMEI : 866948017284947
Firmware : BD_MF823HDV1.0.0B03
Compile date / time : Sep 24 2013 20:19:22
Chipset : Qualcomm MDM9215
NAND Flash : JSFBAx2N72ABx

DC - Unlocker 2 Client 1.00.1430
Detecting modem :
selection :
manufacturer - ZTE modems
model - Auto detect (recommended)
Found Applications port COM8
Found Diagnostics port COM6
Found modem : MF823
Model : ZTE MF823
IMEI : 866948017284947
Firmware : BD_MF823HDV1.0.0B03
Compile date / time : Sep 24 2013 20:19:22
Chipset : Qualcomm MDM9215
NAND Flash : JSFBAx2N72ABx
SIM Lock status : Locked (Card Lock)
User : XXXXXXXXXXXXXXX
Credits left : 7
Unlock ZTE MF823 (866948017284947) cost 7 cr
Service text tutorial: https://www.dc-unlocker.com/zte-mf82...d-unlock-guide
Server message :
New version 1.00.1431 ready for download!
Unlocking, please wait ...
Modem successfully unlocked !
Credits left : 0

Now I can’t do anything with it. It still shows as (now) as Com 10 and Com 11. (yes different to DC-Unlocker below)
DC-Unlocker sees it:-
Detecting modem :
selection :
manufacturer - ZTE modems
model - Auto detect (recommended)
Found Applications port COM9
Found Diagnostics port COM10
Found modem : MF823
Model : ZTE MF823
IMEI : 866948017284947
Firmware : BD_MF823HDV1.0.0B03
Compile date / time : Sep 24 2013 20:19:22
Chipset : Qualcomm MDM9215
NAND Flash : JSFBAx2N72ABx
SIM Lock status : unlocked

However http://o2.4gdongle/ is now “This site can’t be reached!. As a USB drive it does not show in Windows explorer so I can't re-run setup.exe.
What Have I missed?
Thanks

[AndyBA]

Just tried

Disabling ZTE diagnostic port ...

No response !

I I now have the UI and can see it in Files/Folders.

Now to try a non o2 SIM.

[AndyBA]

Have tried a Smarty SIM (Three UK) and a PlusNet Mobile SIM (EE UK) but both of them give "NO SIM or SIM Card invalid" in the UI. The original O2 SIM is recognised, but I have no credit on it!

[Valdemaras]

Detect again on DC-unlocker with unsupported operator sim inside it, see it's lock status, if it shows unlocked then make SIM card is compatible with device and check APN settings are correct for connection to work.

[AndyBA]

Using unsupported operator sim Smarty (Three UK)

DC - Unlocker 2 Client 1.00.1430

Detecting modem :

selection :
manufacturer - ZTE modems
model - Auto detect (recommended)

Found Applications port COM3
Found Diagnostics port COM5

Found modem : MF823
Model : ZTE MF823
IMEI : 866948017284947
Firmware : BD_MF823HDV1.0.0B03
Compile date / time : Sep 24 2013 20:19:22
Chipset : Qualcomm MDM9215
NAND Flash : JSFBAx2N72ABx
SIM Lock status : unlocked

[Valdemaras]

Then device is not locked, probably only dashboard/connection manager you are using is branded and customized to recognize only 1 operator sim card. You need to find generic one that works with other operators as well.

[AndyBA]

I am disappointed.

DC-Unlocker is advertised as

• First universal unlocking product worldwide.

Clearly not the case.

I remain unable to use this device with any other SIM card other than originally supplied.

I do not consider it "un-locked".

Please refund my 7 euro.

[Valdemaras]

I am disappointed.

DC-Unlocker is advertised as

• First universal unlocking product worldwide.

Clearly not the case.

I remain unable to use this device with any other SIM card other than originally supplied.

I do not consider it "un-locked".

Please refund my 7 euro.

"First universal unlocking product worldwide." - does not mean we have or make generic connection softwares, clearly. Device is not locked regardless of what you consider, it shows in it's data that it is not locked to any network. This is generic dashboard available on the internet https://www.dc-unlocker.com/file-lis...ZTE/MTS_Russia best of luck.