In general, the slow response of the mobile phone may be caused by the lack of memory in the mobile phone, so you can delete the software that is not commonly used.
2. Clean up the software data
Under normal circumstances, the mobile phone is slow to respond, so it is not necessary to delete the application software, but it is necessary to clean up the data of the software.
3. Turn off the automatic refresh of mobile phone background applications.
You can also set, set-general-background application refresh in the mobile phone, and turn off the automatic refresh of mobile phone background applications.
4. Restore factory settings
You can also click the phone settings-auxiliary functions-to reduce the dynamic effect, so that the phone will not get stuck, and if it doesn't work, you can restore the factory settings.
So I think, when your Apple mobile phone is slow to respond, you should also pay attention to the health of the battery and check the memory occupancy rate in time.
Another possibility is system failure, and common system failure problems can generally be repaired by themselves!