ZKTeco iFace Series - Anti-Dismantle Button; U Flash Disk Using

iFace Series Installation Guide
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5.2 Anti-dismantle button
Anti-dismantle button is on middle of device, whose function is
realized by back-cover pressing the anti-dismantle button. When
the device is being dismantled, it will send a alarm signal through
the terminal.
5.3 U flash disk using
① there is a mini-port of USB, please see figure circle on the left。
② USB can be used to upload and download data by U disk,。
Anti-dismantle button