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u7519 always error 21 what is the problem

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  • #1

    u7519 always error 21 what is the problem

    DC - Unlocker 2 Client 1.00.0540

    Detecting card :

    selection :
    manufacturer - Huawei phones
    model - Huawei U7510/U7517/U7519

    Found Phone : 19
    Model : Huawei U7510/U7517/U7519
    IMEI : 356192032223039
    Firmware : APP-U7519V100R001USAC85B638-20090925

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

    Unlocking, please wait ...

    Preparing Boot Download mode ...

    unlock failed !

    (error code 21)

    need help i buy the vygis actvation for unlock this phone and always error
    Tags: None
  • #2
    Detect phone by autodetect. Check, if no other modems or phones are connected to computer at unlock time. Check, if you do not miss to reconnect usb cable when software ask for it.

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