VTH 5221DW Dahua

Discussion in 'Doorbells' started by 69Mirek, Sep 13, 2019 at 4:21 PM.

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  1. 69Mirek

    69Mirek n3wb

    Joined:
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    Location:
    Poland
    Hi

    VTH 5221 bricking after change firmwere.How unbricking ?
    Only flash rot led on main plate.

    Where are pin TTL?


    Mirek
     
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