The LG Optimus 4X HD is the first smartphone to use an NVIDIA Tegra 3 CPU. This processor has 4 physical cores clocked at 1.5 GHz. In addition, there is a fifth core clocked at 500 MHz that runs to perform small tasks such as music playback. The Optimus 4X has a Li-Ion battery with 2,150 mAh. It implements a face unlock feature found in Ice Cream Sandwich. The phone can be upgraded to Android 4.1.2 Jelly Bean. LG uses their Optimus UI v3.0 along with the Android OS. The LG Optimus 4X HD has a 4.7" screen which displays a 720p resolution.
Specs
Phone
Android 4.0.3
Released 2012-06-01
1.50GHz NVIDIA Tegra 3 AP33H
1GB RAM
16GB ROM
8.0 MP, Front-facing 1.3 MP
HSDPA
4.70" - 720x1280
2150mAh battery
141 grams
 
Kernels : LG Optimus 4X HD
 
Tools/Utilities : LG Optimus 4X HD
 
Rom List : LG Optimus 4X HD

 LG Optimus 4X HD

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