Why is my phone hot? Find the cause in 30 seconds — and get fixes you can do right now.
Download on the App StoreLive thermal state plus CPU / memory / storage / battery / network signals fused into ranked causes — every one with its evidence, with AI follow-ups when you want more precision.
Five weighted dimensions (heat, battery, storage, memory, load), 0–100, with fully transparent rules.
Every fix includes the exact Settings path — and deep links straight to Battery, Storage and Background Refresh where possible.
Why phones get hot and slow — the actual mechanics, in plain words.
Six common causes, a self-check table, and cooldown moves you can use right now.
Three root causes — overloaded, throttled, or out of storage. Stop blindly "cleaning".
The 80% threshold, how batteries age, and when a replacement is worth it.
Battery drain, Bluetooth dropouts, missing notifications — each with its own fix order, so you stop guessing.
Battery health, ageing and charging habits — the 80% threshold, real reasons for fast drain, and when and where to replace.
Why nearly full storage slows an iPhone — the scratch-paper mechanism, the 10% warning line, and a three-step cleanup.
iOS 27 quick links: battery drain after update · Bluetooth & AirPods disconnects · notifications not showing · System Data huge after update