LG -P710 Quick Start Manual page 136

Setup
Before you start using the phone, you need to insert the SIM card and battery.
Installing the SIM card and battery
1. Remove the back cover.
NOTE: Put your thumbnail into the USB port hole
and lift off the back cover.
2
2. Slide the SIM cards into
the SIM card slots. Make
sure the gold contact
area on the SIM card is
facing downwards.
3. Insert the battery.
4. Replace the back cover.