Huawei E5331 bricked??

Hi!
I’ve just updated the firmware of my E5331 successfully, but now the modem is unusable.

(NB: I didn’t update it because it was locked (it was already unlocked by default) but because the brand was locking it to 14. 4 mbps instead of 21. 6mbps…)

Now it turns on, the lights work, but I cannot enter the router page 192. 168. 1. 1 (not even connecting the modem with usb) and I cannot connect to the wifi network (that changed the SSID name too)…
Now I don’t understand the situation, have I bricked the device?
Is it locked in some way?

I must specify that at first it seemed to be working after the update, but I did a second update to a more up to date version which contained 2 files for the update, the main firmware and a smaller one called PRI_update. After doing these two I rebooted the device and found myself in the situation described above, with an unusable device.

I also tried to restore the original version (which I had previously saved with Huawei Dashboard Tool but again it is always in the same situation.

This is a scan of DC-unlocker.

Original Version Scan (before update):
Found modem : E5331
Model : Huawei E5331
IMEI : 8636***********
Serial NR. : A9R4************
Firmware : 21. 344. 11. 00. 192
Compile date / time : Mar 16 2012 20:56:40
Hardware ver. : CH1E5331M
Dashboard version : UTPS1. 09. 02. 192 _MAC1. 09. 02. 192
SIM Lock status : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

Now:
Found modem : E5331
Model : Huawei E5331
IMEI : 8636***********
Serial NR. : A9R4************
Firmware : 21. 344. 27. 00. 414
Compile date / time : Mar 4 2014 16:01:18
Hardware ver. : CH1E5331M
Dashboard version : graham_ inggs _ custom_ iso
SIM Lock status : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

The dashboard name is obviously strange because I attempted to restore the original version which was saved with Huawei Dashboard Tool and was named in that strange way…

I also tried resetting the device, taking out the battery….vainly.

I don’t have any dongle, can I try something to restore my E5331 to a working status?

On DC-unlocker I found my original firmware:
Huawei_ E5331_ Firmware_ 21. 344. 11. 00. 192. B757_ Italy_ TIM. dgtk
but I don’t understand how to use it…

Thank you very very much!!!