Reset the Samsung DVR and recover from lost password (SRDs and SDRs)
Reset the Samsung SRD and SDR DVRs and recover the password.
The reset procedure works for the following models.
SRD-450, SRD-850, SRD-1650, SRD-1654D, SDR-C75300N, SDR-B3300N, SDR-B733OO, SDR-C5300N, SDR-C5300N/US, SDR-5102n, SDR-4101, SDR 3300n, SDR-5102, and similar devices names SRD-XXX and SRD-XXXX.