Yezz Classic C21A Mode D'emploi page 87

2. Insert the SIM card.
Your phone has 2 SIM card slots to allow you use 2 SIM
cards and switch between them.
•
Place the SIM card in the phone with the gold-colored
contacts facing down.
•
Without inserting a SIM card, you can use your phone's
non-network services and some menus.
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