Huawei E5577s-321 (locked to Zain Saudia Arabia) devices running firmware version 21.200.05.00.375 can be unlocked with normal procedure, means after changing the firmware unlocking is possible. But, other sub-models of E5577 does not allow the change the firmware. Either the devices are giving Error 19 or asking for the data lock code. In both of cases, you can’t unlock the Huawei E5577.

This post is especially for those people who are owning E5577s model devices. This procedure also works with 5577Cs. Zain Zordan is also offering the E5577s-321, but it comes with firmware version 21.200.07.02.1367 and Web UI version 17.100.11.03.1367, but can not be unlocked by simply changing the firmware. We have to take the help of boot shot.

Requirements to Unlock Huawei E5577s MiFi Router:

  1. Screwdrivers set to dismantle the device.

2. Windows PC to change the firmware.

3. Huawei Mobile Partner (for drivers).

4. DC Unlocker.

5. Universal Master Code tool (to generate the firmware code).

6. WinRAR to extract the zip file.

7. Balong tool.

8. Huawei E5577s Usbloader.

9. Huawei E5577s-321 Firmware version 21.180.99.03.00.

10. Huawei E5577s-321 Firmware version 21.316.01.00.00.

How to Unlock Huawei E5577s MiFi Router?

  1. Switch Off E5577s.

2. Dismantle it and let the battery inside.

3. Touch the boot pin and ground of the board from any tweezer / wire.

Note: Interested people can refer the boot pin of different devices at here.

4. Connect USB to E5577s and then with PC USB port.

Note: If sound-card is available on your Windows PC or laptop, you can hear a sound. Same time you will see in the taskbar notification area, some hardware is found and will try to install the drivers.

5. Remove wire / tweezer from the device.

6. Install Huawei Mobile Partner in PC.

If you are interested, you can see one COM port of Huawei device under device manager of the PC.

7. Run “Balong USB Downloader” tool.

8. Click on Detect button.

9. It will detect COM port of your device as Boot_3G.

10. Under Loader, locate the E5577s_Usbloader.bin file.

11. Once ready then click on Load.

12. Wait till progress bar reach at the end.

13. Now you will notice that other new hardware found on your PC and it is installing.

14. Close the “USB Balong” tool.

15. Now you can see two COM ports under device manager.

16. Unzip the file Huawei E5577s-321 Firmware version 21.180.99.03.00 and run it.

17. Let it successfully update the device.

18. Now run the DC unlocker tool.

19. Detect your device under it.

20. At the end of the result paste the following:

AT^NVRDEX=50503,0,128

21. Copy the whole results in text and pay 6 USD through PayPal button of this website. Once paid, I will contact you through email and will ask you for details. Rest all the errors will be solved remotely.

Note: The method has been tested and working fine with Huawei E5577s and E5577Cs modems. However physical reset button will not work.

Update: German Telekom is providing Huawei E5577Cs-321 which comes with firmware 21.316.01.01.748 and WebUI 17.100.15.00.748. It can be unlocked with above mentioned procedure only.

ReadHow to Unlock Huawei E5577Cs-321 Router of Optimus Portugal?

224 COMMENTS

  1. Found modem : E5577s-932
    Model : Huawei E5577 (untested)
    IMEI : 866852020759087
    Serial NR. : X8BBY15601006510
    Firmware : 21.200.09.00.76
    Dashboard version : WEBUI_17.100.09.01.76_MRE5
    Web UI version : WEBUI_17.100.09.01.76_MRE5
    SIM Lock status : unlocked
    Wrong codes entered : 10 (unlock attempts left : 0)

    For unlock, may require firmware change, check tutorial or contact support

  2. After update Huawei E5577s-321 Firmware version 21.180.99.03.00
    my modem in FTM mode
    On dc-unlocker
    DC – Unlocker 2 Client 1.00.1277

    Detecting modem :

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

    Found Applications port COM7

    Found modem : E5577s-321
    Model : Huawei E5577 (untested)
    IMEI : 000000000000000
    Serial NR. : 0123456789ABCDEF
    Firmware : 21.180.99.03.00
    Compile date / time : Feb 13 2015 20:39:48
    Hardware ver. : CL1E5573SM02
    Dashboard version : 00.00.00.000.00
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

    ===================================================================
    AT^NVRDEX=50503,0,128

    ^NVRDEX: 50503,0,128,00 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 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 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 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
    OK

      • yes its true that one com port (3G PC UI Interface) enable when i shot device..
        but after i upload the bin, the device turn on and only show blank display then 3G PC UI interface com disappear and the second com port is not activated..
        i’ve been trying to reinstall the driver modem and repeated the progress from beginning but always like that..3G PC UI Interface com will disappear when i upload the bin and the second com is not activated..
        now my modem was no response when i try to turn it on with the battery..
        do you have any solutions..?

  3. my case were the same as Paull i do your steps on e5577Cs-603, after uploading usbloader.bin display turns on and in show blank display, restart it but it always can not turn on normally any more always detected as 3G PC UI interface..
    can you share usbloader.bin for e5577Cs-603? thanks for helping me out

  4. i’m using usbloader.bin for e5573 and now i appears 2 COM ports, FC – Application Interface and FC – PC UI Interface, and i use this 2 COMs and proceed to unbrick modem using your guide?

    because i have tried the firmware updater is not recognizing any of these ports, do i have to use others? huawei flasher by fransis also not detecting device, hisilicon writer from dc-unlocker also not detecting, these ports are for repair purpose or what ? FC ports thanks

  5. Found modem : E5577s-321
    Model : Huawei E5577 (untested)
    IMEI : 860782031410691
    Serial NR. : F5DDU16616013405
    Firmware : 21.200.07.02.1367
    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)

    My modem is locked with KSA Zain network. Please suggest solution for unlock .How to Install new firmware step by step and also firmware link which support this modem.

  6. ===================================================================

    DC – Unlocker 2 Client 1.00.1332

    Detecting modem :

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

    Found Applications port COM5

    Found modem : E5577Cs-321
    Model : Huawei E5577 (untested)
    IMEI : 000000000000000
    Serial NR. : 0123456789ABCDEF
    Firmware : 21.180.99.03.00
    Compile date / time : Feb 13 2015 20:39:48
    Hardware ver. : CL1E5573SM11
    Dashboard version : UTPS23.015.02.00.03_MAC23.015.02.00.03
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

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

    AT^NVRDEX=50503,0,128

    ^NVRDEX: 50503,0,128,00 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 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 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 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
    OK

  7. what should we do
    in paypal we see this
    We’re sorry. We can’t complete your purchase at this time.
    Please return to the merchant and choose another way to pay.

  8. hi mr.Kamlesh Kumar
    in blong usb program after detect com port and chose a upload file and click to load . BUT display a error
    can i get your email address to send screen capture of that error
    thanks

  9. ===================================================================

    DC – Unlocker 2 Client 1.00.1277

    Detecting modem :

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

    Found Applications port COM5

    Found modem : E5577s-321
    Model : Huawei E5577 (untested)
    IMEI : 000000000000000
    Serial NR. : 0123456789ABCDEF
    Firmware : 21.316.01.00.00
    Compile date / time : Dec 15 2015 15:01:07
    Hardware ver. : CL1E5573SM02
    Dashboard version : 00.00.00.000.00
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

    ===================================================================
    AT^NVRDEX=50503,0,128

  10. Hello,

    Is it possible to unlock E5577Cs-603 XL Indonesia without opening the modem/boot shot method?
    Kindly please point me to the step-by-step guide.
    Thank you.

  11. hi deare
    IMEI : 866852020444094
    Serial NR. : X8BBY15521013782
    Firmware : 21.200.09.00.76
    Dashboard version : WEBUI_17.100.09.01.76_MRE5
    Web UI version : WEBUI_17.100.09.01.76_MRE5
    SIM Lock status : Locked (Card Lock)
    Wrong codes entered : 10 (unlock attempts left :

  12. Found Applications port COM4

    Found modem : E5577Cs-603
    Model : Huawei E5577 (untested)
    IMEI : 867705022257956
    Serial NR. : 2XDFG16127029735
    Firmware : 21.200.07.09.1151
    Dashboard version : WEBUI_17.100.07.11.1151_MRE5
    Web UI version : WEBUI_17.100.07.11.1151_MRE5
    SIM Lock status : Locked (Card Lock)
    Wrong codes entered : 10 (unlock attempts left : 0)

    I has downgrade Firmware to 21.200.07.00.00 but fail Wrong lock code..Do you have a solution
    for my bolt?

  13. Hi,,boos….
    Ido every thing as like say…but Firmware version 21.180.99.03.00 after my display blank..logo showing after only light on..pls.can you help me..

  14. hello, can i do it with all huawei E5573s model or only specific model? i want to know if i have a mifi huawei E5573s-806 can i install the firmware of mifi E5573s-302 on it?

    • the link in the “Interested people can refer the boot pin of different devices at here” does not have a diagram of E5577s-321 none of the diagrams match with the one i have….

  15. Hi
    Please guide me because this model is not available in your tips. One way to help me so that I can open my lock
    Model: E5577cs_321
    Imi : 860783032303257
    Frimware: 21.316.01.02.401
    Web Ui : 17.100.14.00.401_MRE5
    Woring code entered :10 ( unlock attempts left 0)

    Pls help me
    If not the way. Is the destruction of the boot is made shot
    ??????

  16. Found modem : E5577s-321
    Model : Huawei E5577 (untested)
    IMEI : 867262024438788
    Serial NR. : F5D7N15B13006668
    Firmware : 21.200.07.02.1367
    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 : 8 (unlock attempts left : 2)

  17. Hi.
    sir I want unlock the Huawei e5577-932 Zain network from Saudi Arabia. There is the Any way to unlock the device. e5577-932 Fro.zain

      • Device name: E5577s-321
        IMEI: 860782035424318
        IMSI : 620010383310078
        My number: Unknown
        Hardware version: CL1E5573SM02
        Software version: 21.326.62.00.429
        Web UI version: 17.100.18.01.429
        LAN MAC address: 10:B1:F8:90:7D:26
        WAN IP Address: 10.8.51.224

  18. Mine is E5577cs-603, and after loading the usbloader.bin in Balong, the 2nd COM port still can’t be found. Please advise… Thanks

  19. German Telekom
    can’t activte usb boot.
    Gerätename: E5577Cs-321
    IMEI: 860783039378658
    IMSI: Unbekannt
    Meine Nummer: Unbekannt
    Hardware-Version: CL1E5573SM11
    Software-Version: 21.316.01.01.748
    Weboberflächen-Version: 17.100.15.00.748

  20. hello, please help my
    manufacturer – Huawei modems
    model – Auto detect (recommended)

    Found Applications port COM7

    Found modem : E5577Cs-603
    Model : Huawei E5577 (untested)
    IMEI : 867705023258078
    Serial NR. : 2XDFG16A10001435
    Firmware : 21.319.01.01.66
    Dashboard version : WEBUI_17.100.15.00.66_MRE5
    Web UI version : WEBUI_17.100.15.00.66_MRE5
    SIM Lock status : unlocked
    Wrong codes entered : 10 (unlock attempts left : 0)

    For unlock, may require firmware change, check tutorial or contact support

  21. Model No. : E5577CS-321 VIVA KUWAIT
    IMEI : 860783038848289
    NEW ALGO CODE : 79147040
    OLD ALGO CODE : 59286986
    FLASH CODE : 37160360

  22. ===================================================================

    DC – Unlocker 2 Client 1.00.1277

    Detecting modem :

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

    modem not found !

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

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

    DC – Unlocker 2 Client 1.00.1277

    Detecting modem :

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

    modem not found !

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

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

    DC – Unlocker 2 Client 1.00.1277

    Detecting modem :

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

    modem not found !

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

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

    DC – Unlocker 2 Client 1.00.1277

    Detecting modem :

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

    Found Applications port COM8

    Found modem : E5577s-321
    Model : Huawei E5577 (untested)
    IMEI : 000000000000000
    Serial NR. : 0123456789ABCDEF
    Firmware : 21.180.99.03.00
    Compile date / time : Feb 13 2015 20:39:48
    Hardware ver. : CL1E5573SM02
    Dashboard version : 00.00.00.000.00
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

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

    AT ^ NVRDEX = 50503,0,128

    ^NVRDEX: 50503,0,128,00 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 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 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 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
    OK

  23. Sir i too have the Huawei E5577Cs-321 router which is locked to Viva Kuwait .

    Device name: E5577Cs-321
    IMEI: 867262024848820
    IMSI : 404192100101398
    My number: Unknown
    Hardware version: CL1E5573SM11
    Software version: 21.200.07.01.397
    Web UI version: 17.100.11.08.397
    LAN MAC address: 24:00:BA:8A:5F:39
    WAN IP Address: Unknown

    Is it possible to unlock this device with boot shot method ?? Frimware ver: 21.200.07.01.397

  24. DC – Unlocker 2 Client 1.00.1361

    Detecting modem :

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

    Found Applications port COM14

    Found modem : E5577Cs-321
    Model : Huawei E5577 (untested)
    IMEI : 000000000000000
    Serial NR. : 0123456789ABCDEF
    Firmware : 21.180.99.03.00
    Compile date / time : Feb 13 2015 20:39:48
    Hardware ver. : CL1E5573SM11
    Dashboard version : 00.00.00.000.00
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

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

    AT^NVRDEX=50503,0,128

    ^NVRDEX: 50503,0,128,00 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 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 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 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
    OK

    i can update…
    just live in iran i cant pay money…

  25. Found modem : E5577Cs-603
    Model : Huawei E5577 (untested)
    IMEI : 000000000000000
    Serial NR. : 2XDFG16AD1004998
    Firmware : 21.200.07.00.00
    Compile date / time : May 16 2015 10:05:57
    Hardware ver. : CL3E5573SM06
    Dashboard version : WEBUI_17.100.11.00.03_MRE5
    Web UI version : WEBUI_17.100.11.00.03_MRE5
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

  26. modem e5577s-932 Where is my problem error Balong_USB_Downloader
    Ïîèñê óñòðîéñòâ:

    COM27 – HUAWEI Mobile Connect – 3G PC UI Interface [BOOT_3G]
    USB\VID_12D1&PID_1443&REV_0001
    USB\VID_12D1&PID_1443
    COM3 – Intel(R) Active Management Technology – SOL
    PCI\VEN_8086&DEV_1C3D&SUBSYS_21D217AA&REV_04
    PCI\VEN_8086&DEV_1C3D&SUBSYS_21D217AA
    PCI\VEN_8086&DEV_1C3D&CC_070002
    PCI\VEN_8086&DEV_1C3D&CC_0700

    Ïàðàìåòðû çàãðóçêè:
    00000001. 00000D54 00000000 00000054
    00000002. 0059CDE8 57900000 00000DA8
    Íàéäåíî 2 áëîêà(îâ) äëÿ çàãðóçêè.

    Ïûòàåìñÿ îòêðûòü óñòðîéñòâî \\.\COM27 …
    Çàãðóçêà áëîêà 0, àäðåñ= 0, ðàçìåð=3412
    Âñåãî ïàêåòîâ â áëîêå [0]: 4
    Ìîäåì îòâåðã ïàêåò êîíöà äàííûõ. Îáðàç ïàêåòà:

    0000: ED 05 FA 53 C0 *í.úSÀ *

  27. Hi,

    i tried to unlpock my Huawei E5577Cs-321 modem by German Telekom. I uploaded the usbloader using Balon. I also uploaded the new Firmaware succesful. There is now the Huawei logo and the letters “FTM” on the screen.

    There are the other ports but when i try to use DC-Unlocker to get the required information it just cant find the modem or it compleatly stops working.

    How can i fix that? Is there an other way to get to these lines?

    best regards
    Leon

  28. I only want to proceed any further if I’m sure that it will work. so how do I connect to the FTM version and get the desired output? What could be the the problem?

  29. I actually got it working. It works perfectly but due to your provided firmware I lost my IMEI, WIFI-MAC-Adress and the serial number of the device.

    Any advice?

    • Hello,
      Can you please tell me how did you fix it?

      I have a similar problem.
      Huawei logo + FTM text and then the device hangs.

  30. Found modem : E5573s-607
    Model : Huawei E5573 (untested)
    IMEI : 866178021286999
    Serial NR. : 0123456789ABCDEF
    Firmware : 21.110.99.02.00
    Compile date / time : Dec 2 2014 13:54:57
    Hardware ver. : CL1E5573SM05
    Dashboard version : WEBUI_17.100.15.02.03_MRE5
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

  31. can you help me i can pay to you
    Huawei logo + FTM text and then the device hangs after than i put software E5577s-321_Update_21.316.01.00.00 still screen black and not work ?my device
    Device name: E5577Cs-321

  32. Dear sir
    can you help me to unlock my STC HUAWEI Router ?

    Device name: E5577s-932

    IMEI: 866852020729080

    IMSI : 420010705820825

    Hardware version: CL1E5577SM

    Software version: 21.200.09.00.76

    Web UI version: 17.100.09.01.76

  33. after doing the payment on PayUmoney they told me this
    ( We regret to inform you that your transaction through PayUmoney has failed.)
    but still they have deduct they money

  34. DC – Unlocker 2 Client 1.00.1390

    Detecting modem :

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

    Found Applications port COM7

    Found modem : E5577s-321
    Model : Huawei AuthVer 4 modem (New)
    IMEI : 000000000000000
    Serial NR. : 0123456789ABCDEF
    Firmware : 21.180.99.05.00
    Compile date / time : Jun 30 2015 08:19:22
    Hardware ver. : CL1E5573SM02
    Dashboard version : 00.00.00.000.00
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

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

    AT^NVRDEX=50503,0,128

    ^NVRDEX: 50503,0,128,00 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 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 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 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
    OK

  35. hi after using balong utility i succeeded in getting the com ports but my e5577cs-321’s screen goes blank(white screen). any help with this.

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