NGM Ioris Guide Rapide page 23

Insert the SIM cards: The SIM cards contain your phone
numbers, PIN codes, links to operator services, contacts and SMS.
To access the compartment containing the SIM slots, turn off the
phone and slide down the phone cover. Remove the battery.
Insert the SIM cards into the slot with its gold contacts facing
down.
SIM 1 and 2 Slots
(Under the battery)
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