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Downgrade e1550 firmware

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  • #1

    Downgrade e1550 firmware

    I need to downgrade this firmware. Because somehow i update with Indian mobile operator. I live in Bangladesh. So I can not use it. Please help me.
    Found modem : E1550
    Model : Huawei E1550 (IDEA)
    IMEI : 351911044771064
    Serial NR. : B55TAA1031225848
    Firmware : 11.609.20.03.356
    Compile date / time : Jun 02 2011 15:39:45
    Hardware ver. : CD6ATCPU
    Dashboard version : graham_inggs_custom_iso
    Chipset : Qualcomm MSM6246
    NAND Flash : samsung_K5D1G13ACH
    Voice feature : enabled
    SIM Lock status : Locked (customized firmware)
    Wrong codes entered : 10 (unlock attempts left : 0)
    Tags: None
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