Montenegro Telenor has also launched Huawei E5577 sub-model E5577Cs-321 which comes with firmware version 21.200.05.00.208 and WebUI 17.100.11.00.208. It can be easily unlocked by changing the firmware, means there is no need to open the screws of the router. Once the Huawei E5577Cs-321 (Montenegro Telenor) is unlocked you can use the default sim card as well as another carrier too.

How to Unlock Huawei E5577Cs-321 Montenegro Telenor (Firmware 21.200.05.00.208)?

1. Connect the device to Windows PC with USB cable.

2. If you have connected the first time, then open “My Computer > Virtual CD-ROM” and install in PC.

3. The default webpage of Telenor will be opened.

4. Close the webpage.

5. Now run the Huawei E5577s-321 update 21.180.99.04.00.

6. It will ask for a password (You can generate the flash code from universal master code according to your device IMEI).

7. Input the flash code as password and proceed with next steps.

8. Wait until the finish screen.

Note: Huawei E5577Cs-321 WiFi will stop working after above firmware update, which will be fixed in unlocking process.

9. Now run DC unlocker and detect the device under it.

10. When it will show the results of your E5577Cs-321 router, then at the end of the result put the following command:

AT^NVRDEX=50503,0,128

and press enter from the keyboard.

11. You will get the results something like:

“DC – Unlocker 2 Client 1.00.1277

Detecting modem :

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

Found Applications port COM5

Found modem : E5577Cs-321
Model : Huawei E5577 (untested)
IMEI : 86726202******
Serial NR. : D2L7N15804003633
Firmware : 21.180.99.03.00
Compile date / time : Feb 13 2015 20:39:48
Hardware ver. : CL1E5573SM11
Dashboard version : WEBUI_17.100.11.00.58
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 0 (unlock attempts left : 10)

===================================================================

AT^NVRDEX=50503,0,128

^NVRDEX: 50503,0,128,13 CC 12 D5 9E 13 36 35 99 7C 23 5E F5 7A C5 A9 B7 69 D2 04 5D B7 E1 0F A5 00 08 22 FA F5 90 55 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 E7 D5 F7 2C C5 9B 4F 9F CF 14 2C 5B 80 37 4D E4 C1 70 13 66 CF 79 54 DD B2 25 CA 21 F7 49 63 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OK”

12. Copy the whole results from the DC unlocker software and keep in a notepad file.

13. Pay 6 USD through PayPal and mention model and IMEI in the transaction.

14. Once the correct amount paid and details mentioned, I will contact through email and will ask for NV hash code which you have generated in step 11.

15. After getting the NV hash code, it will be converted into unlock / NCK code and will be emailed with further instructions.

Note: Orange Jordan is also providing Huawei E5577Cs-321 which comes with firmware version 21.200.05.00.647 and WebUI 17.100.11.00.647. Unlocking of this firmware version is also supported. You need to follow the same above mentioned procedure.

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