To protect your device, iOS may throttle (limit) your device’s maximum possible performance when the motherboard reaches higher temperatures. However, this also means that your device will heat up while you are in-game. Keep Your Device CoolĭolphiniOS uses a lot of CPU and GPU power to achieve emulation of the game you are trying to run. Here’s some tips to squeeze extra performance out of your device. On non-jailbroken devices, this is primarily because of Apple applying several restrictions on DolphiniOS which make it unable to use some faster emulation features. Apple Silicon is fast, but some games may not run as well as you like.