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



iPhone 4s iOS 9.1 Problems

iPhone 4s iOS 9.1 Problems

iOS 9.1 problems continue to plague the iPhone 4s.

Over the past two weeks, we've been monitoring complaints about iPhone 4s users. iPhone 4s iOS 9.1 problems include issues with lag and slowdown, problems with battery life, issues with Wi-Fi and Bluetooth connectivity, problems with various applications, problems with Apple Music, and more. 

Most of these problems are affecting a tiny fraction of iPhone 4s owners though there are a few (the lag issues, for instance) that are a little more widespread. 

These problems are why we recommend doing a little prep work ahead of your install. You can't predict if you'll see issues so you'll want to be extremely careful with iOS 9.1 and your device. For more on iOS 9.1 problems, head here.



  1. Habeebulla Khan

    11/24/2015 at 9:05 pm

    After upgrading to 9.1 there is no sound only phone rings

  2. Dr kalpana

    02/01/2016 at 4:11 pm

    Battery life is verrrrryyyyyy less…..even without using anythng bettery is pouring down….net is verrryyyy slow…..scrolling of pages is not smoooth…..typing is not smooth….iam frustated vth my phn bcoz of latest update…

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