WHEN PLACING A MOBILE PHONE WITH WIRELESS CHARGING FUNCTION. Fast Wireless Charging-Phone w/case The mobile phone can also be charged normally with a case, and will not affect the wireless fast charging. Note: Do not use a particularly thick phone case. Fast Wireless Charging-Haiwei Haiwei Phone-- the charging screen will display the wireless fast charging of the Haiwei Phone. Fast Wireless Charging-Apple Apple phone--the charging screen will display the wireless fast charging of the iPhone. Read more IPHONE WIRELESS CHARGING INSTRUCTIONS--if the device stops charging at 80% charge In iPhone iOS 13 and iOS 13+, the function of "Optimised Battery Charging" is to reduce battery consumption, and extend battery life by reducing the time that the iPhone is fully charged. After turning on this feature, in some cases, iPhone will delay charging by more than 80%. iPhone will use the machine learning function on the device to learn your daily charging habits, and only enable "Optimised Battery Charging" when the iPhone judges that it will be connected to the charger for a long time. The wireless charging will be affected by this function, it stops charging or charging becomes slow when the charging reaches 80%. Read more HOW TO USE WIRELESS CHARGING FASTER The phone center is placed in the wireless charging center and the charging speed is the fastest. The temperature in the car is too high, turn on the air conditioner in time to cool down. Do not use a particularly thick phone case. PHONE WIRELESS CHARGING INSTRUCTIONS If the device is charging slowly, the phone becomes hot. While using the phone function to charge the phone, the power does not increase or even decrease, the reason is that the phone will give priority to the power supply to the CPU when charging. The phone CPU consumes electricity to generate heat when it is working, the phone will become hot, triggering the battery protection mechanism of the phone, so that the charging speed of the phone will slow down. Confirm whether the phone supports wireless charging. Only phones with wireless charging capabilities can be charged on this device. Read more FREE SILICONE PAD Non-slip Can protect the camera lens on the back of the phone Read more