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  1. nguyenh0acctv

    DVR- 7108HQHI-K1 Can't unlock password using software upgrade via rs232

    DVR- 7108HQHI-K1 Can't unlock password using software upgrade via rs232
  2. nguyenh0acctv

    Cần giúp thay đổi mã s/n xem từ xa

    I already have a HIKVISON DS-7104HQHI-K1 DVR that will not start. Company name for this hikvison. I have a DVR with the same model (S / N: 136857920). I have copied ic ic ic using programmer. I copied it to the DVR with a flash error DVR has been repaired. But a new problem arises: A: I have 2...
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