Apple has reportedly ramped up orders for vapor chambers, signaling that the cooling technology could play a bigger role across its future hardware lineup. Here are the details.
Apple doubles down on vapor chamber cooling
Leaker Fixed Focus Digital has published a post on Weibo claiming that Apple has “significantly increased its total orders for vapor chambers,” adding that this is “possibly in preparation for enhanced cooling in its first foldable iPhone and the next-generation 20th-anniversary model.”
Apple first introduced vapor chamber cooling with the iPhone 17 Pro, a change that helped address the thermal concerns that had affected previous models.
Vapor chambers work by evaporating a small amount of liquid near a heat source and condensing it in cooler areas, spreading heat across a larger surface before returning the liquid to repeat the cycle.
You can see the process in action in this excellent video from Know Art:
While the Weibo post speculates that Apple’s ramp-up is aimed at the iPhone Ultra and the rumored 20th-anniversary iPhone expected in 2027, the timing would make more immediate sense for this year’s lineup.
Apple has reportedly asked suppliers to prepare around 10 million foldable iPhones, up from an earlier target of 7-8 million, alongside roughly 70 million iPhone 18 Pro and Pro Max units. All three models are likely to use vapor chamber cooling.
The increase comes as reports suggest that Apple has resolved earlier hinge and manufacturing-yield concerns, clearing the way for higher production targets ahead of a September debut.
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