How to Change Unlock Effect on Galaxy S4 Lock Screen
Samsung Galaxy S4 supports Air view and you can enjoy a Ripple effect, Light effect on the Lock Screen for your Galaxy S4 as an Unlock effect. To ...
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Google Nexus 4 second camera (Front camera) is mainly used for video chat. But if you want to use front camera on Nexus 4 in the camera application and take photos, follow the instruction
1. Open "Camera" app
2. Hold your finger on the screen to see Camera Settings
3. Move your finger to the Second camera icon
4. Second camera is now Active! (To change to the main camera, do the steps again)