LG LG Optimus L2 (E405) 用户手册

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页码 138
39
Installing the SIM card and 
battery
1  To remove the back cover, hold the phone 
in your hand firmly. With the other hand, 
firmly press your thumb on the back 
cover. Now lift off the back cover.
2  Slide the SIM1 card into the SIM1 card 
slot and SIM2 card into the SIM2 card 
slot. Make sure the gold contact area on 
the card is facing downwards.