Sim/Uim Card Installation - HIKVISION DS-8104HMI-A User Manual

7. After inserting the second
HDD, face the HDD connector to
the socket on bracket, and
tighten it.

2.4 SIM/UIM Card Installation

When the DVR supports 3G function, please follow the steps below to install SIM/UIM card:
User Manual of DS-8104HMI-A(/XX) Series Mobile Net DVR (V1.20.00)
8. Install the HD screws, and
fasten the HDDs (4 screws per
HDD) follow the order on the
figure.
12
9. After the HDD installation,
push in the HDD box and screw
up. Don't forget to lock the
HD-Lock.