Part.1 in-line headset can take a selfie
At present, many brands of cell phones support pressing the in-line headset volume up button to take pictures. In the use of a large-screen phone or tablet PC selfie no longer need to hold up the device with one hand, the other hand to press the photo button. 
Part.2 Landscape video recording more professional
Video resolution is standard in the landscape, such as 1920 * 1080 pixels. If upright shooting will become 1080 * 1920 pixels. When you play on the computer, TV, or upload to the video site, you will find that there are black bars on both sides of the video, affecting the viewing effect. 
Part.3 Reboot your phone once a week
At present, many brands of cell phones support pressing the in-line headset volume up button to take pictures. When using a large-screen phone or tablet to take a selfie, you no longer need to hold the device with one hand and press the photo button with the other. 
Part.4 Assistive Touch is not for you
Apple initially designed Assistive Touch with a small white dot to facilitate the use of the phone by people with muscle weakness and those who have difficulty using their palms because pressing the Home button requires a certain amount of force. But after the white dot came out, it became a feature that everyone loves to play. 
Part.5 long time open Bluetooth, WiFi will consume power
Long time open Bluetooth, WiFi will consume power, in the long run, will cause the battery to accelerate the aging, this should know more people. In addition, from time to time to close the background applications, to save power is also very helpful. 
Part.6 Download offline maps
Car navigators on the market, cheap but also several hundred, expensive to thousands. So, it is a wiser choice to navigate directly with your cell phone. But many driving friends may encounter such a problem, the car often encounter bad signal when driving, poor signal navigation is easy to make mistakes, moving to re-plan the route. It is recommended to download offline maps, if you are afraid of taking up the phone memory, you can use a used phone to download, as long as there is a GPS function, no need to connect to the network. 