To turn the phone on or off, press and hold the power button with the red power symbol and three horizontal bumps

Yes. Take pictures by going to Settings > Camera and pointing the camera at the object/scene you wish to photograph and pressing the OK button.

Yes. Bluetooth can be activated within Settings. Bluetooth headphones can be used with the MiniVision2+.

Yes, it does. Wi-Fi can be activated within Settings.

No, the phone does not support internet browsing.