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SIM1: Turn the metal face of the SIM card downwards (facing the mobile phone); please push the SIM card horizontally into SIM1 card slot
according to the diagram shown near the card slot.
SIM2: The card slot for SIM2 is covered by an iron sheet. You can press the iron sheet with your thumb and push it horizontally according to the
diagram shown near the card slot; lift the iron sheet, and insert the SIM card into the iron sheet according to the diagram shown inside the iron sheet;
then gently move the SIM card to close the iron sheet, and push the iron sheet to lock it according to the diagram.
Install the battery.
Close the back cover (align the two small bulges at the bottom of the back cover with the two grooves at the corresponding positions of the
mobile phone; then press the back cover to close it, and use the accompanying small tool for opening the shell to fasten the screws fastening
the mobile phone and the back cover in the clockwise direction).
Removal of SIM Card