Excessive battery usage and overheating

There is excessive battery usage on an iPhone 16 Pro, caused by overheating. However, this only occurs when using Wi-Fi; the phone does not overheat if used in airplane mode or when Wi-Fi is turned off. Additionally, the game never activates game mode. This error has occurred since version 1.21.71. It has also become very slow and unstable on an iPad since version 1.21.71.