Installing the USIM and battery
1Remove the battery cover Press and hold down the battery release button at the top of the phone and lift off the battery cover.
WARNING: Do not use your fingernail when removing the battery.
WARNING: Do not remove the battery when the phone is switched on, as this may damage the phone.
3Install the USIM card
2Remove the battery
Hold the top edge of the battery and lift it from the battery compartment using the battery cover.
Set up
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LG KF750 User Guide
Slide the USIM card into the USIM card holder. Make sure that the gold contact area on the card is facing downwards. To remove the USIM card, pull it gently in the reverse direction.