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iPhone 18 Pro Max Overheating in Games and FPS Drops: 7-Step Fix

Some heat during gaming on the iPhone 18 Pro Max is normal; the vapor chamber spreads heat across the frame. But if the phone becomes too hot to hold, stops charging and drops from 120 to 60 FPS, thermal throttling has kicked in. Removing the case, not playing while charging, using Game Mode correctly and balancing graphics settings usually lowers temperatures by 5-8 C. If the drop persists, check battery health and the iOS version.

  • Updated:
  • 3 min read
  • Tiempo estimado: ~9 min
  • 7 pasos
CopyPromt Editorial TeamChecked against the official source · support.apple.com
Contenido9
  1. ⚡Respuesta corta
  2. 01Update iOS 27 and the game
  3. 02Confirm Game Mode is on
  4. 03Remove the case and magnetic accessories
  5. 04Do not play while charging, turn off Low Power Mode
  6. 05Match graphics settings to the phone's limits
  7. 06Limit background activity and location services
  8. 07If it stays hot, check battery health and service
  9. SSPreguntas frecuentes

Respuesta corta TL;DR

Heat during gaming is normal; the problem is thermal throttling that lowers FPS and stops charging. Update to iOS 27, keep Game Mode on, remove the case, do not play while charging and set in-game graphics for 60 FPS. If these steps do not lower the temperature, check Battery Health and contact Apple Support.

Página oficial

support.apple.com

Apple official iPhone support

At a glance

Hora~9 min
Pasos7
DificultadFácil
Fuente oficialsupport.apple.com
Última actualización

01 — Solución paso a paso

How do you fix it? Step by step

  1. Paso 1/7

    Update iOS 27 and the game

    Go to Settings > General > Software Update and install the latest iOS 27 build. Early releases ship fixes for thermal management and gaming performance. Then open App Store > Profile > Updates and confirm the game is current.

    The phone heats up during an update; do not judge gaming performance until it finishes.

  2. Paso 2/7

    Confirm Game Mode is on

    iOS enables Game Mode automatically when a game launches. If the Game Mode icon does not appear in Control Center, add it from Settings > Control Center. Game Mode reduces notifications and background activity so the frame rate stays steadier.

  3. Paso 3/7

    Remove the case and magnetic accessories

    A thick protective case, a MagSafe ring and a car mount all trap heat. Play without the case on a hard, cool surface. Playing on a bed or pillow blocks ventilation completely.

  4. Paso 4/7

    Do not play while charging, turn off Low Power Mode

    The battery and the chip heat up together while charging, which accelerates throttling. Unplug before playing and avoid charging above 20% battery. Low Power Mode caps refresh rate and GPU performance; turn it off for smooth FPS.

  5. Paso 5/7

    Match graphics settings to the phone's limits

    In game settings choose 60 FPS instead of 120, medium instead of high shadow quality and a lower resolution scale. Turn ray tracing off if available. Image quality drops slightly, but temperature falls noticeably and stutters stop.

  6. Paso 6/7

    Limit background activity and location services

    In Settings > General > Background App Refresh turn off apps other than the game. In Settings > Privacy & Security > Location Services set unnecessary apps to Never or While Using. Turn off Personal Hotspot if it is on.

  7. Paso 7/7

    If it stays hot, check battery health and service

    Open Settings > Battery > Battery Health and check whether maximum capacity is below 80%. If the phone heats up at idle, the back cover bulges or the screen shows discoloration, stop gaming and contact Apple Support. Repeated shutdowns after updates mean service is required.

    A swollen battery is a safety risk; do not charge the phone and take it to an authorized service provider.

02 — People also ask

Preguntas frecuentes

Is it normal for the iPhone 18 Pro Max to get hot while gaming?

Yes. The vapor chamber and aluminum frame spread heat outward, so warm-to-hot is expected during gaming. What matters is that the phone does not show a temperature warning and FPS does not collapse repeatedly.

Why does FPS drop from 120 to 60?

When the phone reaches a set temperature, iOS limits GPU and display speed to protect the battery and screen. This is a protection mechanism, not a fault; FPS recovers as the phone cools.

Are cooler cases or fans harmful?

Fan-equipped cases can lower temperature, but choose products that do not block ventilation or create moisture. Never use a refrigerator or freezer; condensation causes liquid damage.

When should I contact service?

Contact Apple Support if the phone overheats at idle, the battery swells, it shuts down on its own or Battery Health falls below 80%.

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Sources & verification

This guide is written by the CopyPromt editorial team based on the official source below and is re-checked regularly.

  • support.apple.com — Fuente oficial
  • Published:
  • Última actualización:
  • Guía independiente — sin afiliación oficial con apple.com.