10 Things to Know About the iPhone 4s iOS 9.1 Update

iOS 9.1 Installation Frustrating Some Users

A PSA for those of thinking about installing the iOS 9.1 update while you sleep. 

Some iPhone and iPad users have discovered that the overnight iOS 9.1 installation method kills alarms. Some have found that out the hard way it seems. Something to note if you're planning to install sometime in the near future. 

To get around the issue, install during the day or night when you can actually monitor the update's installation. Otherwise, you might show up late for work or school.