10 Things to Know About the iPhone 4s iOS 9.2.1 Update

Reasons Not to Install iOS 9.2.1

The performance improvements make the iOS 9.2.1 update tempting but there are some reasons to avoid the iOS 9.2.1 update. 

We've put together a list of reasons why you might want to skip Apple's new update for the time being. These reasons go beyond the possibility of it hurting your iPhone 4s' performance. 

If you're unsure about what to do and you need some help to one side of the fence or the other, weigh these pros and cons.