Currently i am on iOS 7.3 but this version has a lot of annoying bugs such as unable to update apps or facetime anyone, i want to update to 7.1.2 but i dont know if its possible to do so? If i press upgrade on iTunes it will update it to iOS8 which i dont want since its only an iPhone 4s and iOS8 is sluggish on it. If i download the firmware from the internet will the update be verified by apple or will it leave me without a working phone?
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Can i choose which version of iOS to update my iPhone to?