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Замена emmc lg h540f

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  • Legija
    replied
    For lg mtk models to enter download mode bootchain sequence is this:
    -bootrom -> preloader -> uboot (LK) -> LAF

    You should try another eMMC.

    Leave a comment:


  • uralmaks
    replied
    он должен опредиляться как LG port USB COM . но для этого нужен рабочий boot и uboot ?

    Leave a comment:


  • uralmaks
    replied
    no check emmc ))))))))всё сдохла флешка полностью

    Leave a comment:


  • Legija
    replied
    Originally posted by uralmaks View Post
    MTK USB port
    That means that preloader is not started. Could be due to emmc not detected or not compatible, wrong preloader or erased preloader.

    Maybe is easier to see if its possible to repair original emmc, you could try making one GP partition and see if write test passes.

    Leave a comment:


  • uralmaks
    replied
    EMMC[Q72SMB]__SIZE[0001D2000000]__CID[150100513732534D42006F7FF43472C5].rar вот как подготовил флеш
    Attached Files
    Last edited by uralmaks; 09-01-2020, 08:46 PM. Reason: не заходит она в downloadmode

    Leave a comment:


  • uralmaks
    replied
    MTK USB port

    Leave a comment:


  • Legija
    replied
    This is MTK.
    With MTK, it is enough to have valid preloader in boot partition and supported CID chip for phone to enter VCOM download mode on USB.
    If phone remains in MTK USB (bootrom) mode, that means that chip is not compatible.

    What is detected on usb port when you connect phone with new chip after bootloader repair ?

    Leave a comment:


  • uralmaks
    replied
    ставлю сломанную флешку, без проблем входит в режим прошивки, Может нужно что то конкретное вычитать с флеш?

    Leave a comment:


  • uralmaks
    replied
    не входит в режим прошивки две флешки ставил с рабочих аппаратов CID менял , всё равно MTK port

    Leave a comment:


  • Legija
    replied
    Here is repair pack, if emmc is compatible it must work.
    Attached Files

    Leave a comment:


  • uralmaks
    replied
    да это lg h540f

    Leave a comment:


  • uralmaks
    replied
    Q72smb

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  • Legija
    replied
    Q7XSAB
    JHAG2e
    Q72SMB
    F722MB
    Chips supported by preloader.

    Which chip you installed ?

    This is H540F so I changed topic name accordingly. I will prepare repair pack but you need to take care about CID, chip must be from supported chips by preloader.
    Last edited by Legija; 08-31-2020, 10:45 AM.

    Leave a comment:


  • uralmaks
    started a topic Замена emmc lg h540f

    Замена emmc lg h540f

    Mr.Legija пожалуйста помоги. Меняю флешку, считал 256mb дальше сыпяться ошибки. Записываю дамп на новую флешку но телефон не заходит в режим прошивки на ПК MTk port. Ставлю обратно сломанную флешку аппарат заходит в режим прошивки. Дальше 256 не магу считать, возможно загрузчик дальше расположен как на Asus?
    256.rar c 256 по ошибку.rar Boot Area Partition 1.rar EMMC[Q72SMB]__SIZE[0001D2000000]__CID[150100513732534D42006F7FF43472C5].rar
    Attached Files
    Last edited by uralmaks; 08-31-2020, 08:03 AM.
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