In Saudi Arabia, Zain has also launched Huawei E5577 model after STC. The unlocking process of Zain E5577s-321 is comparatively far easier than STC. It is so easy that after reading this post you may immediately want to unlock your router. So without wasting your precious time, let me start the unlocking process of Zain E5577s-321.

How to unlock Zain E5577s-321

Pre-requirements:

  1. Download FC Serial Port and Huawei Data Card Drivers
  2. DC-Unlocker for extracting the encrypted hash and detecting the router
  3. First Firmware – E5577s-321 version 21.180.99.05.00
  4. Second Firmware – E5577s-321 version 21.200.05.00.00 

Steps to unlock Huawei E5577s-321 Zain:-

Phase I:

  1. Install Mobile Partner and restart your computer to get the drivers properly installed.
  2. Make sure the router battery is at least 70% charged to avoid any damage during the process.
  3. Press and hold the physical reset button given on the back side of the Huawei E5577 router, next to the battery to reset it to the factory settings. Now, connect it to your computer with the help of USB cable. Don’t use Wifi.
  4. The default web interface of the router will open automatically, close it and run the firmware 21.180.99.05.00.
  5. Huawei E5577s-321 router will ask you for the flash code, generate the flash code from here.
  6. Wait for the installation to be finished. Kindly note that the router will switch to FTM/MMI mode after installing this firmware.

Phase II:

  1. Open DC-unlocker as administrator, click the magnifying icon to detect your Huawei E5577s-321 Zain router under it.
  2. Once the information of the router is displayed, type AT^NVRDEX=50503,0,128 and press enter.

How to unlock Zain E5577s-321

  1. As a result of typing the AT command, you will receive some hexadecimal numbers as given in the picture above.
  2. Copy everything and paste it into the comment section to get the unlock code.

Phase III:

  1. After receiving the unlock code, update the Zain E5577 router with firmware 21.200.00.05.00.
  2. Once the installation is over, switch off the router, insert non-Zain sim and switch it on again.
  3. You will be asked to enter the unlock code, Enter the correct code(which you have received from us) to unlock your router forever.

Unlock code is not free. You will have to pay 6 USD to get the Unlock Code. Kindly proceed only if you are ready to pay the same.

66 COMMENTS

  1. Hello sir, can you help me unlock mine? It is also E5577s-321 model. I only have remaining 5 tries and I don’t rlly know what to do. Please?
    IMEI: 860782032746564

    • There is no shortcut and unlock code cannot be generated by using IMEI for e5577. So stay calm and follow the instructions given in the post.

  2. Found modem : E5577Cs-321
    Model : Huawei E5577 (untested)
    AT^NVRDEX=50503,0,128

    ^NVRDEX:-50503,0,128,46-2C-A1-A2-54-32-3B-58-9E-CA-61-A4-12-3A-4B-84-C4-1E-57-2E-25-F8-0F-FA-94-0D-0A-B1-84-55-28-5C-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-3F-25-F5-25-DE-A3-B9-4A-E9-24-CF-B1-A8-BB-EE-9A-D1-5A-CD-3C-5B-6C-11-EA-D3-42-EE-B5-64-A1-C3-8C-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

  3. Found modem : E5577s-321
    Model : Huawei E5577 (untested)
    IMEI : 867262020702542
    Serial NR. : F5D7N15528005437
    Firmware : 21.180.99.05.00
    Compile date / time : Jun 30 2015 08:19:22
    Hardware ver. : CL1E5573SM02
    Dashboard version : WEBUI_17.100.09.00.375
    SIM Lock status : Locked (Card Lock)
    Wrong codes entered : 0 (unlock attempts left : 10)

  4. Found modem : E5577s-321

    ^NVRDEX:-50503,0,128,2D-21-4F-D0-30-AD-ED-4A-48-A5-F4-C0-98-81-0E-03-36-F9-88-D0-37-3C-26-5B-BD-EE-40-8B-58-B1-B3-7E-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-69-DD-81-64-1D-25-7D-79-01-89-04-2C-13-44-11-CC-E2-C8-E7-3E-1E-22-27-F1-E7-89-55-AC-47-FC-06-A4-01-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
    OK

  5. ^NVRDEX:-50503,0,128,8D-7D-2B-E6-ED-F0-51-2C-51-D3-17-1D-8A-2C-C0-A7-57-28-0B-C2-6D-D2-B2-78-3A-76-FE-9B-88-B9-BD-F0-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-B7-AC-4F-9A-D7-D7-B8-A0-CA-55-C8-AB-A9-AE-6B-4B-CD-AD-DE-2E-09-E9-51-B8-11-8D-68-6E-41-AA-F4-3A-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

  6. yes when i try to flash Firmware : 21.180.99.05.00 i get error so i use this method
    link removed
    now when i flash Second Firmware – Huawei E5577s-321 Firmware 21.200.05.00.00 (Universal)
    the screen go black after flash and not work how i can fix it

  7. ^NVRDEX:-50503,0,128,E3-15-C1-3E-16-63-17-64-08-F8-E0-FB-DC-4D-49-B1-AC-9F-F8-1C-18-B7-DC-DB-2B-66-3E-92-57-6E-D2-29-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-F3-5F-EA-2B-58-74-D2-28-C5-C8-59-F3-B8-47-DF-44-87-F3-4E-4D-99-10-77-04-F9-42-F6-32-60-22-F0-A4-01-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
    OK

  8. ^NVRDEX:-50503,0,128,98-7F-A9-EA-8F-AF-9C-1D-CD-1F-B6-00-BB-64-1A-37-EA-26-FF-34-BA-4F-2E-99-53-35-02-C6-38-77-3E-C8-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-15-46-8A-C1-11-26-BE-04-D4-A1-E3-C3-48-61-5B-9A-1D-6C-02-59-6B-0C-2D-EA-2D-A4-50-FF-8E-4D-3A-AF-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

  9. when i enter the flash code to the update setup firmware version 21.180.99.05.00 it says your password is wrong, remaining retry time(s):
    imei:867262027206422

  10. Hi Admin
    ^NVRDEX:-50503,0,128,72-2F-B4-56-E0-A3-F4-6D-69-35-D2-CF-08-04-0E-6F-80-AF-AA-8C-EE-78-7B-33-8C-41-27-50-67-B7-AA-8C-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-0D-1B-4B-50-B1-67-C7-26-B7-17-1F-E2-A2-F3-58-F6-13-70-47-0C-30-FC-4D-62-B2-90-83-11-E2-D8-D1-AC-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

  11. ^NVRDEX:-50503,0,128,1E-67-F6-8F-37-35-CC-CC-18-FE-13-83-2B-B9-A8-85-9D-2E-7E-00-8D-55-08-65-8A-24-59-4B-C6-2B-17-81-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-50-51-F9-CB-E0-11-0F-09-A6-6C-D6-9A-B2-16-15-40-42-B5-C7-60-1E-90-21-97-58-24-DD-74-51-BE-45-40-01-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00

  12. when i update setup firmware version 21.180.99.05.00 it is asking Wizard password can i know what is this passward is it router passward or what passward it is asking:
    imei:867262020822639

      • Thanks
        but when i update it i change the sim zain to friendi and switch it on and it is showing mmi ready and i used unlock detector but it is also unable to detect so what i have to do now

          • DC – Unlocker 2 Client 1.00.1381

            Detecting modem :

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

            Access denied! Check firewall, antivirus, try to launch software as Administrator!
            it is showing like this

          • I asked you to install the second firmware.
            For access denied error. try by running the DC-unlocker as administrator.
            kindly read the complete post before commenting, otherwise you will get blocked forever for spamming.

  13. ^NVRDEX:-50503,0,128,19-A7-47-7A-A8-50-91-76-0C-71-8B-5C-13-37-F8-CB-8A-3B-2E-B7-A3-6F-7C-12-32-E3-B4-A0-2C-EC-A1-21-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-26-C5-1F-B6-5A-D3-5B-B9-42-23-C5-65-FB-65-A2-03-BE-2C-58-D3-C7-DD-57-BC-A9-13-47-B5-F1-D1-8F-8F-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

  14. ^NVRDEX:-50503,0,128,EA-50-68-D3-28-1C-D3-3F-91-28-CF-D2-48-10-D5-EF-23-E0-95-7F-33-CA-27-6D-B6-0F-26-24-25-48-38-1E-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-53-25-48-18-DB-B0-C2-14-FB-1D-D1-FA-19-14-1D-7D-F9-91-6E-2A-43-D8-8C-C7-7F-C9-81-07-41-1A-CF-5C-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

  15. ^NVRDEX:-50503,0,128,5C-A8-82-E0-83-B1-39-CD-55-6C-F2-71-45-AC-43-81-4D-A2-A8-F8-64-7A-2F-51-84-06-13-69-22-F4-36-46-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-1E-48-1D-F2-DC-B5-D6-96-1A-66-52-53-A9-48-4F-FF-1D-E5-86-68-18-15-B7-58-FC-AD-D0-AD-3C-C2-49-68-01-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00

  16. i cant do first step in Phase I >> i cant installing mobile partner it give me this message
    ” Error code 10, find port failed! ”

    ?????

  17. ^NVRDEX: 50503,0,128,3C DB 9C 1F 4B 46 E2 2F B6 1A 02 4B 5C B4 FE A3 6F C9 4D 80 F6 B9 03 B0 92 DF 61 E1 17 A8 B2 90 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 E0 CF 1C 98 93 35 E8 58 2B A9 83 B5 98 79 2B FA AC A5 CF A8 6F 1E 49 00 51 FE 76 B3 F8 CA 65 F3 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

  18. Found modem : E5577s-321
    Model : Huawei E5577 (untested)
    IMEI : 860782032092530

    ^NVRDEX: 50503,0,128,F9 18 BC FD C8 11 9C 2E 1A 8F 49 0F F7 A0 02 B9 8E 0C E4 D0 F2 97 10 0F 6B FA 57 DD FF A1 81 34 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 EA C5 EA 21 B0 D3 E8 36 0A 73 77 8A 50 E0 A3 3E 1E 9E 7A A5 A6 96 99 E4 F6 37 EE C8 41 B7 ED 04 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

  19. ^NVRDEX: 50503,0,128,AC 96 6C E4 82 8C 3C 91 03 A6 FC C7 99 84 EE 1F 2F 00 D6 5D 05 E3 B9 9B 66 1F 0B D2 C3 2A 31 A8 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 67 1F 30 D5 6B CB 7A 0D 55 F6 EE C0 98 7D 07 25 F5 12 D4 D9 9B 88 41 2D 7F 88 0A E5 66 95 DD 15 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

  20. Found modem : E5577s-321
    IMEI: 867262021894413

    ^NVRDEX: 50503,0,128,AC 96 6C E4 82 8C 3C 91 03 A6 FC C7 99 84 EE 1F 2F 00 D6 5D 05 E3 B9 9B 66 1F 0B D2 C3 2A 31 A8 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 67 1F 30 D5 6B CB 7A 0D 55 F6 EE C0 98 7D 07 25 F5 12 D4 D9 9B 88 41 2D 7F 88 0A E5 66 95 DD 15 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

  21. ^NVRDEX: 50503,0,128,9D 86 72 CA 15 E6 68 A0 05 E2 76 FA A0 48 E8 B7 00 BE E2 0D 79 F0 55 6D E9 CF E7 9E 1B 62 41 11 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 A5 0F 20 4A 47 F3 F8 62 AA 68 50 D8 03 38 70 D8 C0 40 B3 A1 E5 C2 CD 48 43 BB 99 DC 87 15 B0 64 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

  22. ^NVRDEX: 50503,0,128,C1 D7 13 6A F4 11 5E 7C DF A1 83 2E 8B AE 14 D2 2C 07 80 79 0D 31 F5 5B 38 E1 24 14 29 78 47 3D 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 4F EA 44 AE 37 E7 BC DD 6F B0 07 18 9D B8 CC DC 41 DB 93 40 A5 40 07 7A DB F4 30 73 16 A4 F7 6B 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

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