It's okay to charge an iPhone with a vivo charger. Apple's basic requirements for the charger are: provide a standard USB output interface; Provide no less than 1A output current power supply capacity, but the size of the power supply capacity is only related to the charging speed, the maximum current of the power supply is too small, the charging time is extended, but will not cause damage to the phone, and when the power supply capacity is strong, because the Apple phone built-in charging control loop, will automatically limit the maximum current of charging.
First of all, your vivo phone should be able to support wireless reverse charging and reverse charging. Apple mobile phone or iPhone8 or more to support wireless charging models to vivo mobile phone to charge Apple mobile phone. If the above conditions are met, find reverse charging in vivo mobile phone Settings, and then use the data cable to connect vivo and Apple mobile phone to charge.
There is only one x70pro with wireless charging, but this phone is not yet available. Charging Wireless charging is to put the phone on a wireless table.