dahua dh-nvr4216-4ks2 playback lock

  1. soportemetroil

    Request: SPI Flash BIOS Dump (Winbond 25Q128) for Dahua NVR4216-4KS2

    Hello, I am trying to repair a Dahua NVR4216-4KS2 that is not booting. The main BIOS/firmware is stored in an SPI flash EEPROM (Winbond 25Q128, labeled as U130 on the PCB). I have a CH341A programmer and I already attempted the following steps: Identified the correct chip (W25Q128, 3.3V...
    • soportemetroil
    • Thread
    • dahua dh-nvr4216-4ks2 playback lock dhi-nvr4216 nvr
    • Replies: 2
    • Forum: Dahua
  2. A

    dahua dh-nvr4216-4ks2 playback won't play

    dahua dh-nvr4216-4ks2 playback shows a red lock on bottom left and won't playback. System is recording ok. Any help to fix this will be highly appreciated.
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