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GV57MG User Manual
TRACGV57MGUM001
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3. Getting Started
3.1 Installing a SIM Card
Step 1:
Remove the top cover (ensure the device is not powered unplug the 5-Pin
cable and turn off the battery)
.
Note:
Waterproof equipment. Don’t disassemble repeatedly.
Step 2:
Put the SIM card into the SIM card holder. Press down on the SIM card slightly
to make it slide into the slot.