How to check CPU working frequency in iOS on iPhone, such as my iPhone 6? The Litum Info Lite free app (Litum Info full version app) can show you the info of CPU including its frequency.The CPU frequency:You can find the CPU info page from the menu:Related posts:How to Make iPhone with iOS 13 Faster How to make Chrome on iPhone (iOS) accept self assigned ssl keys fir websites? How to reset iOS / iPhone password? Printing “powernow-k8 transition frequency failed” after install XEN How to Set up or Disable Call Forwarding in iOS for iPhone How to un-trust a computer that I have trusted with iOS 7 device? How to limit a user’s CPU resources in Linux Systems How to set one task’s CPU affinity quickly?