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Thread: Huawei E557s-321 & E5577Cs-321 Unlock Without Paid Tools

  1. #31
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    this will not work ............only 2 moddel supported .........other all get white screen to stayaway from this procedure




    › See More: Huawei E557s-321 & E5577Cs-321 Unlock Without Paid Tools

  2. #32
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    Join Date
    Mar 2019
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    huawei e5577s 321 stuck on huawei logo

    Huawei E557s-321 after following procedure in http://forum.gsmdevelopers.com/modems-and-routers/37057-huawei-e557s-321-e5577cs-321-unlock-paid-tools-4.htmlstuck on logo screen, and when try Balong_USB_Downloader_1.0.1.10.exe
    Dc-Unlocker:



    DC - Unlocker 2 Client 1.00.1131


    Detecting modem :


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




    modem not found !


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

    Please help to get back to work again

  3. #33
    Junior Member
    Join Date
    Sep 2018
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    Post

    For Huawei E5577Cs-321 with ANY VERSION (White screen fix)
    i am successfuly unlocked my kuwait
    VIVA mifi



    1.Download & Extract above Files

    2.Install Latest Mobile Partner

    3.Touch the boot pin and ground of the board from any tweezer / wire & Connect the Router to PC

    4.Run “Balong USB Downloader” tool.

    1.Click on Detect button.

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

    3.Under Loader, locate the E5577s_Usbloader.bin file.& click on Load.

    4.Wait till progress bar reach at the end & Close the “USB Balong” tool.Now you can see two COM ports under device manager.


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



    • Unzip the file Huawei E5577Cs-321 Firmware version 21.180.99.04.00 and run it.


    6.Let it successfully update the device. & It will stuck in FTM Mode (No Worry about it)

    7.Finally Update with

    • Huawei E5577s-321 Firmware version E5577s-321TCPU-V200R001B328D01SP00C00 (this will fix white screen)


    8.Finally Update with Webui

    9.Now Device unlocked and imei become 00000 & Have to restore it's original imei by folllowing steps

    1.Insert a Sim

    2.Detect with DC unlocker again & run this command via DC unlocker

    3.AT^CIMEI="867262027232592" Press Enter now it should reply with OK

    (Enter Your Original IMEI Here)


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