Apple’s iPhone 17 Pro gets its first vapour chamber, while Samsung says the Galaxy S26 cooling redesign is up to 29% more effective.
45C average highs in the UAE and summer temperatures above Apple’s 35C operating limit force phones to throttle performance, pause charging and accelerate permanent battery wear.
35C to 40C internal temperatures typically trigger software slowdowns, which can cause lag, navigation stutters and dimmed performance even when manufacturers say the behavior is normal.
Google’s Pixel 6a needed a mandatory Android 16 update to cut charging and battery capacity after overheating reports, and Samsung previously recalled the Galaxy Note7 over battery fires.
60C parked-car temperatures, wireless charging and heavy use can worsen heat stress, leaving shade, wired charging and natural cooldown as the cheapest protection.