How to Remove and Insert SIM Card, Battery and Memory Card on LG Optimus G Pro E980. Be careful to do this, make sure you have understand what will you do, follow this instructions:
1. Hold the phone on your hand firmly. With the other hand, lift the back cover using the fingertip cutout located on the side of the cover and remove it.
2. Slide the SIM card into the SIM card slot. Make sure the gold contact area on the card is facing downwards.
3 Insert the battery into place by aligning the gold contacts on the phone and the battery (1) and press the battery down until it clicks into place (2)
4. Inserting a microSD card / memory card. Gently insert the microSD card into the slot. Make sure the gold contact area is facing
4. Replace the back cover of the phone (2). Apply a steady downward pressure until the battery cover clicks into place (2) .