Earlier we have shared about the unlocking of Huawei E5577s-321 (Zain Saudia Arabia) which comes with firmware version 21.200.05.00.375. Today, In this post, we are going to share the unlocking of Huawei E5577s-321. This post is dedicated to Zain Zordan/Bahrain locked devices only, which comes with firmware version 21.200.07.02.1367 and WebUI version 17.100.11.03.1367.

This unlocking does not involve any firmware/boot shot, means it is totally safe. By unlocking with this method, you will not loose the warranty of the device.

How to Unlock Huawei E5577s-321 with Firmware 21.200.07.02.1367?

1. Download DC unlocker software.

2. Reset the device from the reset button.

3. Connect to PC with USB cable.

4. Click on Search Icon from DC unlocker.

5. It will show the details of your device, like:

DC – Unlocker 2 Client 1.00.1277

Detecting modem :

selection :
manufacturer – Huawei modems
model – Auto detect (recommended)

Found Applications port COM31

Found modem : E5577s-321
Model : Huawei E5577 (untested)
IMEI : 867262*********
Serial NR. : F5D7N15*******
Firmware : 21.200.07.02.1367
Compile date / time : Oct 21 2015 11:09:54
Hardware ver. : CL1E5573SM02
Dashboard version : WEBUI_17.100.11.03.1367_MRE5
Web UI version : WEBUI_17.100.11.03.1367_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 0 (unlock attempts left : 10)

6. At the end of the result, paste the following:

at^sfm=1

7. Press Enter from the keyboard.

8. Now download and run the firmware of Huawei E5577s-321 router.

9. It will ask for the password, you can comment below with model and IMEI.

10. Once the firmware update is finished, again detect the device in DC unlocker and paste the following:

AT^NVRDEX=50503,0,128

11. Paste Enter from the keyboard.

12. It will generate some encrypted keys, copy and keep it a notepad file.

13. Now, pay 6USD at PayPal.

14. When I will ask then send me encrypted file.

15. Your unlock code will be emailed within 8 hrs.

Note: If you are facing drivers issue, then you can install Huawei mobile partner in your PC.

16. Once you get the unlock code, change the SIM card and again connect the device to PC with USB cable.

17. Login into the device with admin/admin.

18. It will redirect to the unlocking page.

19. Enter the unlock code which is provided by me.

Now your device will be unlocked forever and can be used with all supported bands simcard.

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