Unitech PA690 Guía De Referencia Rápida página 8

Using the SIM card
The PA690 has a slot for a GPRS SIM card inside the battery compartment.
CAUTION: Before installing the SIM card, please backup your data to
prevent data loss because of a low backup battery.
1. Remove the battery compartment cover and the main battery.
2. Slide the cover of the SIM card slot to the right to
release the latch.
3. Pull open the cover with thumb.
4. Insert the SIM card into the cover with the notched
corner up, the contact side of the SIM card facing
down.
5. Close the cover over the slot, and then slide the
cover to the left to lock the SIM card.
6. Put the battery back into the battery compartment and replace the
battery compartment cover.
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