What should I do if the iPhone 6 compass fails?

1, then find the Compass APP on the screen, open the Compass, and select Allow access to the current location.

2, the first time you open it, you may need to calibrate it and let the red ball turn several times in the circle.

3. You can see the compass, which can display the latitude and longitude of the current position.

4. When indicating the direction, try to make the mobile phone horizontal and aim at the plus sign in the middle.

5. Click the middle white vertical bar to lock the current direction, and then click Cancel again.

6. In addition, the compass can also show whether the plane slides horizontally to the right, and when it is 0, it is horizontal.

Compass, also called Sina, is mainly composed of magnetic needles installed on the shaft. Under the action of natural geomagnetic field, the magnetic needle can rotate freely and keep in the tangent direction of magnetic meridian, and the north pole of the magnetic needle points to the geographical north pole, so the direction can be distinguished by this property. It is often used in navigation, geodesy, tourism and military affairs. The invention of the compass with physical direction indication consists of three parts, namely Sina, compass and magnetic needle, all of which belong to the invention of China. According to ancient mine records, it first appeared in the Cishan area during the Warring States Period.

Compass is the result of China ancient working people's understanding of the magnetism of objects in long-term practice. As one of four great inventions of ancient china, its invention has played an inestimable role in the development of human science, technology and civilization. In ancient China, the compass was first used for rituals, etiquette, military affairs and divination, and to determine the orientation when looking at geomantic omen.

1 1 At the end of the century or at the beginning of the 2nd century, China ships began to use compasses for navigation. Zhou Ping can talk in the Northern Song Dynasty: "Sailors know geography, watch the stars at night, watch the sun by day, and watch the compass in the dark." Compass is an all-weather navigation tool applied to navigation, which makes up for the shortcomings of astronomical navigation and geographical navigation and opens a new era in the history of navigation.

The introduction of Arabs into Europe created conditions for the navigation activities of later European navigators.