iphone can add a pin (tag) by long-pressing a new location in its own application map. Select another location and press for a long time to place more than two pins (markers).

1. Unlock the iphone to the home page, and find and open its own application map. As shown in the figure.

2. After entering the map application, the blue circle represents your position. Click on the blue circle. As shown in the figure.

3. Click the blue circle to pop up the My Location menu, and select it in the lower left corner to mark my location. As shown in the figure.

4. A pin (tag) will appear after you select the location to tag me. As shown in the figure.

5. Select another area where you want to put the pin (marker), and press and hold this area. As shown in the figure.

6. Long pressing this area will place a second pin (marker) on the map. As shown in the figure.

7. Select the third area and press and add the third pin (tag) to place more than two pins on Apple's own map. As shown in the figure.