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This LG Optimus L9 P769 released October of 2012 as the successor of the LG Optimus L7. The model number can be found underneath the battery on the bottom right corner.
The LG Optimus L9 P769 utilizes Android (v 4.0.4). It contains a 1GHZ dual processor while having 4 GB of internal storage and 1 GB RAM. The screen is a 4.5’’ QHD Corning® Gorilla® glass display. There is 1 home button and 3 buttons on the side of the phone, and a headphone jack on top of the phone.