MTS Serbia has recently launched a new 4G LTE modem, the Huawei E3372H-153. This sub-model of Huawei E3372H comes with firmware version 22.315.01.01.532 and WebUI 17.100.13.01.532. It is highly secured firmware, and there is no direct procedure to change the firmware to a universal one for unlocking.
Our team has modified this firmware of MTS Serbia Huawei E3372H-153 (Firmware 22.315.01.01.532), and now it can flash the firmware to a universal one. This means unlocking MTS / MTC Huawei E3372H-153 is now possible without opening the screws of the device.

Earlier also, our team had modified the firmware of MTN Ghana E5577s-321, which comes with firmware version 21.328.62.00.429 / 21.326.62.00.429 and WebUI version 17.100.19.00.429 / 17.100.18.01.429. It can also be unlocked without opening the screws.
Another good news is that it is totally free for MTS Serbia E3372H users. You don’t need to pay for this device unlocking. You have to provide the hardware ID in the comment box to get the key to unlocking the MTS E3372 modem.
This modified file will work up to the firmware version 21.328.62.01.429, which comes in MTS E3372 modem.
How to Unlock MTS Serbia Huawei E3372H-153 (Firmware 22.315.01.01.532) [FREE]?
1. Download the unlocking file of MTS Serbia Huawei E3372H-153 from the link at the end of this post.
2. Run on any Windows PC (32-bit or 64-bit / Win XP, Win 7, or Win 10).
3. Unlocking app of MTS E3372H will generate the hardware ID, copy and paste it in the comment box since unlocking is free of cost.
4. Our team will provide the key according to the hardware ID.
5. Once you are ready with the key, download Huawei’s latest drivers.
6. Unzip using WinRAR software and run the setup file.
7. It will install the correct drivers in the background.
8. Now download and run DC-Unlocker software.
9. Click on Search Magnifying Glass.
10. It will detect your device and show complete details.
11. At the end of the result, in a new line, paste AT^GODLOAD.
12. Press Enter from the keyboard.
13. Wait for 10-second to load the drivers.
14. Now run the MTS Serbia Huawei E3372H-153 unlocking file, which you have already downloaded.
15. Fill in the registration name and key which you have got from our team.
16. Click Register to start flashing the firmware of your MTS Serbia E3372H dongle.
17. Once the flashing is completed, again detect the device in DC-unlocker software.
18. At the end of the result, paste the following:
AT^RESET
19. Press Enter from the keyboard.
A response will come as OK.
Now your MTS Serbia locked Huawei E3372H-153 (Firmware 22.315.01.01.532) is unlocked permanently to use with all sim cards.
You can also unlock MTS Serbia Huawei E3372H-153 (Firmware 21.210.03.00.143) free of cost.
55952-C2B19-D9552-455C9-08AFD-82713-49E63-D900A
routerunlock.com
RQ7DJ-T7QP8-SSQ3M-3272E-X8VSA-Y6S94-3QR6G-ZM6MV-UF2MD-SL5GA-P8ZVX-H4XYP-CHKTB-VMT7M-B3JKU-F5PMC-4BBRJ
I did everithing but my modem dosent work now only blinks light and dc unlocker can see it but it says locked. Please help
Had you used boot shot earlier?
No, can you try with firmvare? I tried to reflash with webui but it ask for datalock code. Can i reverse it to mts serbia firmvare or dash, i dont need unlock, just to returne it to work
You have not replied my previous question. Had you used boot shot earlier?
Send me DC unlocker report.
I wrote, no i did not
Paste the DC unlocker results, then we can rectify.
I have repaired it myself. It works now.
E3372h-153 MTS Serbia
IMEI: 869907028923312
SW: 22.315.01.01.532
Web UI: 17.100.13.01.532
I need unlock code , pls ?
Thanks for help .
Refer above post and provide the details as mentioned with hardware id of the software.
Model : Huawei E3372h-153
IMEI : 869907028300776
Serial NR. : G4PDW16416001634
Firmware : 22.315.01.00.1323
Web UI version : WEBUI_17.100.13.01.1323
Hardware ID: 74222-C2B48-0D552-438A3-97E7D-82708-45FB8-6A413
Above file is not compatible with your device. Process as mentioned at https://factoryunlocksim.com/free-unlocking-of-rightel-iran-huawei-e3372h-153-firmware-22-315-01-00-1323/
Found modem : E3372
Model : Huawei AuthVer 4 modem (New)
IMEI : 869907028610984
Serial NR. : G4PDU16503001657
Firmware : 22.315.01.01.532
Compile date / time : Apr 7 2016 16:45:20
Hardware ver. : CL2E3372HM
Dashboard version : WEBUI_17.100.13.01.532_HILINK
Web UI version : WEBUI_17.100.13.01.532_HILINK
79802-C2BA8-9D552-455C9-08AFD-82713-49FFA-6900A
routerunlock.com
RRX5J-T7QM3-H2Q3M-3272E-X8VSA-Y6SBM-3QR6G-RMS66-AAMTY-A7J6L-A6HES-XEHRD-YEF9U-PEPKY-KBQSD-GYG5K-P7ZLK
Anything for me
can You help 🙂
E3372
Model : Huawei AuthVer 4 modem (New)
IMEI : 869907028610984
Serial NR. : G4PDU16503001657
Firmware : 22.315.01.01.532
Compile date / time : Apr 7 2016 16:45:20
Hardware ver. : CL2E3372HM
Dashboard version : WEBUI_17.100.13.01.532_HILINK
Web UI version : WEBUI_17.100.13.01.532_HILINK
79802-C2BA8-9D552-455C9-08AFD-82713-49FFA-6900A
routerunlock.com
RQLDR-T7QM3-H2Q3M-3272E-X8VSA-Y6SBM-3QR6G-RMSNB-47S6D-PLZGJ-THFG4-YU3B7-LHNX4-5GD3N-PUU4K-P8LH8-F2FW8
After all didnt work it is locked again because of bad firmvare i wanted to update. And now asks for lock code and i can not extract it. Can you send me again registrasion code. Detail are the same as post above Model : Huawei AuthVer 4 modem (New)
IMEI : 869907028610984
Serial NR. : G4PDU16503001657
Firmware : 22.315.01.01.532
Compile date / time : Apr 7 2016 16:45:20
Hardware ver. : CL2E3372HM
Dashboard version : WEBUI_17.100.13.01.532_HILINK
Web UI version : WEBUI_17.100.13.01.532_HILINK
79802-C2BA8-9D552-455C9-08AFD-82713-49FFA-6900A
routerunlock.com
RQLDR-T7QM3-H2Q3M-3272E-X8VSA-Y6SBM-3QR6H-HMMAS-K8829-KSG9Y-ESKHN-H6GJT-ZH88Y-24CCK-TVJZ3-QDRKZ-BE3DV
Can you help?
Ok, thank You. This i think for this model is not working properly. Thank You for your time. All the best.
Model : Huawei E3372h
IMEI : 869907028929657
Serial NR. : G4PDU16503004509
Firmware : 22.315.01.01.532
Compile date / time : Apr 7 2016 16:45:20
Hardware ver. : CL2E3372HM
Dashboard version : WEBUI_17.100.13.01.532_HILINK
Web UI version : WEBUI_17.100.13.01.532_HILINK
Hardware ID: 91822-C2B1F-16552-438A3-C454D-827A2-6F7D1-636EE
routerunlock.com
RQFVR-T7QPJ-F2Q3M-LLSPB-38VSG-JYNZH-26EWG-RMLKR-8GKVT-364PY-JJMQ4-A8XNV-VMHMA-ZQV8A-SR8AC-GUZ6S-KDSSV