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vodafone 840 strange error 21 need help!

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  • #1

    vodafone 840 strange error 21 need help!

    DC - Unlocker 2 Client 1.00.0565

    Detecting phone :

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

    Found Phone : 19
    Model : Vodafone 840 3G Touch
    IMEI : 356755xxxxxxxxxx
    Firmware : APP-V840V100R001C02B545-SEC-DEBUG-NOLOG

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

    Unlocking, please wait ...

    Preparing Boot Download mode ...

    unlock failed !

    (error code 21)
    Tags: None
  • #2
    Check, if all needed drivers are installed and there are no unknown devices in device manager (after error).
    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.
    Try restarting and do unlock again.

    Comment

    • #3
      Originally posted by Vincentas View Post
      Check, if all needed drivers are installed and there are no unknown devices in device manager (after error).
      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.
      Try restarting and do unlock again.
      i hv already checked there is no extra driver in the device manager nd i hv done lot of huewai phones like U7519 nd it had been unlocked successfully but this phone is creating the problem.
      Only this single phone nd dongal is attached to computer.

      done lot of times but not success.

      Unlocking, please wait ...

      Preparing Boot Download mode ...

      unlock failed !

      (error code 24)

      Plz help me team otherwise i hv to return it to customer.

      Comment

      • #4
        Try to check, if you see any unknown devices after error. If so, then update the unknow device with drivers from phone or software folder. Then do unlock again.

        Comment

        • #5
          vodafone 840 unlock done !!

          DC - Unlocker 2 Client 1.00.0565

          Detecting phone :

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

          Found Phone : 19
          Model : Vodafone 840 3G Touch
          IMEI : 356755xxxxxxxxx
          Firmware : APP-V840V100R001C02B545-SEC-DEBUG-NOLOG

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

          Unlocking, please wait ...

          Preparing Boot Download mode ...

          unlock failed !

          (error code 24)


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

          Unlocking, please wait ...

          Preparing Boot Download mode ... OK
          Preparing bootloader ... OK
          Waiting modem/phone to be ready ... OK

          Phone successfully unlocked !

          Credits left : 50

          Please unplug and restart phone !

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

          Comment

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