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  1. #1

    [ROM] Lenovo A690_S012_121018 for sku35508

    This ROM is for Lenovo A690 sku35508.
    Pls check the link for specification.

    Download here:
    Lenovo A690_S012_121018.rar

    Unpack password: bbs.lenovomobile.com

  2. #2
    Guide:

    what you need:


    1. SPMultiPortFlashDownloadProject (find in the rom)
    2. USB VCOM Driver(find in the rom)
    3. a win xp 32bit pc
    4. GB 5pin-USB cable (No.31-028916)

    Note:
    I/O interface of the usb cable insert to phone, the usb interface to PC.


    Install the driver:
    Take down and install the battery back , then connect it to PC via usb cable. The PC will detect a new device, follow the wizard and browse the computer for the driver to install it.
    Click image for larger version. 

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ID:	8605

    After installation, check in the device manager for COM port (COM33).
    Click image for larger version. 

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ID:	8606

    Upgrade:

    1. Double click and run the Click image for larger version. 

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ID:	8607, choose Click image for larger version. 

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ID:	8608

    2. Click Click image for larger version. 

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ID:	8609---Click image for larger version. 

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ID:	8610, select Click image for larger version. 

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ID:	8611

    Click image for larger version. 

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ID:	8612

    3. Click Click image for larger version. 

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ID:	8613 , select “ MT6575_Android_scatter ”,
    Click image for larger version. 

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ID:	8614

    4. Check the channel, if COM33 is not in the following channel , pls close the software, then open

    the file "SPMultiPortFlashDownloadProject.ini" Click image for larger version. 

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ID:	8615, find the [Ports] row, change "Channel0=3" to "Channel0=33". then open the software,
    Click image for larger version. 

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ID:	8616

    Click image for larger version. 

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ID:	8617

    5. Click Sel All,Starl all
    Click image for larger version. 

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ID:	8618

    6. when it shows following tips, take down the battery and insert back, connect the phone to PC with USB cable, start downloading:
    Click image for larger version. 

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ID:	8619
    Click image for larger version. 

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ID:	8620
    Click image for larger version. 

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ID:	8621

    7. Finish downloading:
    Click image for larger version. 

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ID:	8622

    Note:
    If this is your first time download them, it will ask to install the driver again (same method as before)after the first download finished.



    PS: This method is not tried by myself.
    Any advice and easier ways are welcome.
    Thanks.


 

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