Yes, Huawei P40 series supports reverse wireless charging function, which can be used to charge other devices that support wireless charging, such as other mobile phones, headphones, watches, etc. When using the reverse wireless charging function, you need to place the two devices back to back together, and then turn on the reverse wireless charging switch in the Settings to start charging. It is important to note that reverse wireless charging consumes energy from the phone's battery, so it is not recommended to use this feature if your battery is low.
Hello, the mobile phone itself can not charge other mobile phones, but if the universal charger, you can use other mobile phones.