Navigation App gone! I mean really gone!

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http://forums.androidcentral.com – So my boyfriend had to get a new phone. He now has a LG Optimus G. After two weeks of using it, he is pissed off that the Navigation App is gone from the phone. To be clear, we did check the app list and also the apps that were running/downloaded/all. Nothing and it is nowhere to be found. The last time he used it was last night and now, it is gone completely. He is really upset and has tried to do a soft reset on his phone. We also tried to update the maps app and it is already up to date. He does not want to reset his phone to factory state again for the third time for other (HowTos)