Physical fans inside gaming phones are getting their biggest push yet

Xiaomi looks set to take active cooling in smartphones out of the niche and into the mainstream with the upcoming Redmi K90 Max. While built-in fans aren’t new, they’ve mostly been limited to over-the-top gaming phones so far. With Xiaomi now preparing to jump on the bandwagon, the technology could finally reach a much wider audience.

What do we know about the Redmi K90 Max’s cooling system?

In a recent series of teasers on Weibo, Xiaomi President Lu Weibing revealed that the Redmi K90 Max will feature a new cooling system consisting of a large 18.1mm fan and a redesigned duct that reportedly boosts airflow by 40%. The company claims this setup can reduce temperatures by up to 10 degrees Celsius in just 100 seconds under load.

The idea behind this new system is to offer users better sustained performance. While modern flagship

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