Device Guides
Apple iPhone 6s
Change device
iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.

Buy now
Search in Apple iPhone 6s
My mobile phone is slow
This troubleshooting guide will take you through a number of possible causes
to help you find a solution to your problem.
Restart your mobile phone.
Possible cause 1:
Your mobile phone is overloaded for unknown reasons
Solution:
Restart your mobile phone
Tap and hold the Home key.
At the same time, tap and hold On/Off until your mobile phone is restarted.