Phone overheating
I Feel 4s is not designed to take load of ios8. While developing Ios 8 they didn't take users of these phones. Problem with developers. At least now they can allow us to go back to 6 so that the
iPhone 4S, iOS 8.2
User profile for user:
Jason L
User level:
Community Specialist
Hey there manju53,
Welcome to Apple Support Communities.
It sounds like you’re concerned about the temperature of your iPhone 4s since upgradeing to the latest version of iOS. This article has a lot of great information about operating temperatures that should address your concerns.
Keeping iPhone, iPad, and iPod touch within acceptable operating temperatures - Apple Support
Take care,
-Jason