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4. Before Use
4.1
Attaching the Antenna
Rotate the antenna clockwise to fasten it.
To remove the antenna, rotate it counter-clockwise.
4.2
Installing the SIM Card
If a SIM card is required to realize the End-to-End Encryption (E2EE) feature which should be purchased
separately, please install the SIM card first.
1.
Turn off the terminal, and then slide the battery latch upwards to unlock the battery.
2.
Loosen the screws fixing the SIM card cover, open the cover, and then place the card into the slot
properly, as shown in the figure below.
3.
Replace the cover and tighten the screw as shown in the figure below.