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Huawei E3372h-153 - Impossible Downgrade

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  • #1

    Huawei E3372h-153 - Impossible Downgrade

    Hi guys, I'm really desperate, I tried almost all the methods to downgrade my E3372H-153 in order to unlock it, but I always get the 19 Error. I also tried AT^SFM=1 using Putty but I got Error. I tried to downgrate to E3372h-153_Update_21.180.01.00.00_Universal and also E3372h-153_Update_22.200.15.00.00_00 but in all I get error 19.
    Please help me, been trying for 3 days
    Found modem : E3372H
    Model : Huawei E3372h
    IMEI : 8618XXXXXXXXXXX
    Serial NR. : G4P7S16XXXXXXXX
    Firmware : 21.318.01.00.314
    Compile date / time : Oct 28 2016 16:00:47
    Hardware ver. : CL2E3372HM
    Dashboard version : IEW_Win_4.0.8.1_20160902063500_Mac4.0.6.1_160902.0 45347
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)
    Tags: None
  • #2
    Hi, i have same problem here! When i connect the modem to PC a popup came up give me a error: Insert a SIM card and restart your device.

    After searching i found out i should downgrade the firmware but when trying to downgrade it want data lock password !

    sry for my bad Eng.

    Found modem : E3372
    Model : Huawei E3372h
    IMEI : 869907028023683
    Serial NR. : G4PDW16416000925
    Firmware : 22.323.01.00.143
    Compile date / time : Mar 1 2017 19:15:24
    Hardware ver. : CL2E3372HM
    Dashboard version : WEBUI_17.100.19.00.03_HILINK
    Web UI version : WEBUI_17.100.13.01.03-Mod1.10_HILINK
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)

    Comment

    • #3
      Originally posted by SHiRD4L View Post
      Hi, i have same problem here! When i connect the modem to PC a popup came up give me a error: Insert a SIM card and restart your device.

      After searching i found out i should downgrade the firmware but when trying to downgrade it want data lock password !

      sry for my bad Eng.

      Found modem : E3372
      Model : Huawei E3372h
      IMEI : 869907028023683
      Serial NR. : G4PDW16416000925
      Firmware : 22.323.01.00.143
      Compile date / time : Mar 1 2017 19:15:24
      Hardware ver. : CL2E3372HM
      Dashboard version : WEBUI_17.100.19.00.03_HILINK
      Web UI version : WEBUI_17.100.13.01.03-Mod1.10_HILINK
      SIM Lock status : unlocked
      Wrong codes entered : 0 (unlock attempts left : 10)
      Problem solved with this easy method XD
      huawei data card sim card not detected solved - YouTube
      https://www.youtube.com
      huawei data card sim card not detected solved
       

      Comment

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