A questionable new leak says that the iPhone 17 line will introduce a vapor chamber cooling method. If true, it could be the debut of the know-how within the iPhone lineup.
At the moment, iPhones use passive cooling by leveraging the steel and glass of the iPhone physique. Nevertheless, throughout intense utilization, this may end up in warnings that the iPhone should calm down, stopping additional use of the system for a short while.
The new report from Majin Bu — who has a blended observe document for accuracy — confirms that the vapor chamber cooling method will debut within the iPhone 17, anticipated to debut this fall. Whereas the report claims to be from an “inner supply,” it hedges its wager by saying {that a} design is “nonetheless evolving, with some challenges to handle.”
Vapor chambers are utilized in many Android telephones as a approach to dissipate warmth when the system is beneath intense utilization, equivalent to throughout gaming classes. The method entails permitting a chamber of liquid to soak up warmth from the system, inflicting the liquid to evaporate.
The vapor then strikes throughout the plate of the system, cooling again right into a liquid. This redistributes the warmth, permitting for higher dissipation.

A thermal plate with a copper floor may very well be used to redistribute warmth – Picture credit score: Majin Bu
The thought of iPhones shifting to this extra energetic cooling method has been round for a while. Reviews surfaced again in January that Apple was planning such a transfer for the following launch of the iPhone.
TF Securities analyst Ming-Chi Kuo first mooted the concept of the iPhone 17 utilizing vapor chamber cooling in a report from August of 2024. He believed on the time that the know-how would solely be used within the iPhone 17 Professional and Professional Max, slightly than throughout the complete iPhone 17 line.
Bu can also be the supply of an questionable declare that the iPhone 17 lineup will characteristic new pastel purple and inexperienced shade choices.
The necessity for a brand new system of cooling the iPhone evolves from its increasing talents, together with the rising computational necessities of Apple Intelligence. Bu says that Apple may also be incorporating a heat-spreading steel plate throughout the system to assist in warmth administration.
The report additionally helps different claims that Apple will transfer to lighter chassis supplies like aluminum, which might take in and dissipate warmth from inner parts. Beforehand, iPhones have relied on thermal paste and graphite sheets, together with aluminum shielding, to assist dissipate the warmth of the processor and parts.