The charging protocol is not supported, the charger will not output the right amount of power, and the phone will not absorb more power than the default standard. The iphone will use 5w of power to charge by default. You can't expect them to work together effectively without a language barrier. At present, there are many third-party pd chargers to choose from. The well-known third-party chargers of Purple Rice, Green Link, and benks have high cost performance and basically passed the industry certification.