Check the wireless charging coil position of the smartphone to be placed.
The wireless charger and the wireless charging coil built into the phone must be accurately matched to reduce heat generation and enable fast charging.
Please refer to the picture below and check the wireless charging coil of the phone to be placed. Most phones, as shown in the picture, have a phone's
It has a built-in wireless coil in the center.

For flip phones (such as the Galaxy Z series), the wireless charging coil is located in the center of the bottom of the phone.