LG -P714 Guide De L'utilisateur page 216

Getting to know your phone
2 Slide the SIM card into the slot. Make sure the golden contact area on
the SIM card is facing downwards.
3
Insert the battery into place by aligning the golden contacts on the
phone and the battery (1) and pressing it down until it clicks into place
(2).
4 Align the battery cover over the battery compartment and press down
each of the 7 points as shown in the figure until it clicks into place.
12