iPhone 4 iOS 7 Review Roundup Josh Smith09/24/2013 iOS 7 on the iPhone 4s is a mixed experience according to users who made the jump as soon as Apple released the latest software update. As the oldest iPhone to run iOS 7, the iPhone 4 iOS 7 update comes with a potential to breathe new life into an old phone or the potential for headaches.Advertisement After a nearly a week the iPhone 4 iOS 7 reviews are coming in from average users who upgraded to the new software, and experiences are mixed. Read: 25 Hidden iOS 7 Features The iPhone 4 iOS 7 reviews don’t ding Apple for the new design and new features, but mainly focus on iOS 7 battery life and the speed of iOS 7 on the iPhone 4.Advertisement iPhone 4 iOS 7 reviews are mixed.Advertisement For some users the iOS 7 iPhone 4 experience is great, but for others running iOS 7 on the iPhone 4 is enough to make them consider upgrading to the iPhone 5s or iPhone 5c for a speedier performance. iPhone 4 iOS 7 Reviews – The Bad Many iOS 7 on iPhone 4 reviews are from angry users, which may be thanks to the greater likelihood that an angry user is more likely to complain, but they are worth looking at. The biggest iOS 7 on iPhone 4 complaints are lag and performance, but battery life is also an issue. The IOS 7 on iPhone 4 video below highlights some of the problems with using iOS 7 on the iPhone 4. Advertisement It’s worth skipping past the boot time, because most users aren’t booting the iPhone time after time every day. The lag between apps and the home screen and lack of transparency are issues that users should check out before upgrading to iOS 7. Below you’ll find iODS 7 on iPhone 4 reviews from users on Twitter. Already had a friend with iPhone 4 tell me he hates iOS 7 and wants to downgrade. I don't think its very easy to do, if possible at all. — Linus Edwards (@LinusEdwards) September 24, 2013 Advertisement @LaurinACrozier From what I've heard, if you have an iPhone 4, do not upgrade to iOS 7. Performance suffers and load time doubles. — Zachary Duvall (@Panacamanana) September 24, 2013Advertisement https://twitter.com/StephanieBroden/status/382498942555914240 If you have an iPhone 4, DO NOT UPDATE TO iOS 7…just…don't :/ #applefails — Cori Klumpyan (@CoriKlumpyan) September 24, 2013 iOS 7 is not a good idea if you have an iPhone 4. Phone or battery can't handle that shit lol. — Daniel (@DanielJiwani) September 24, 2013 iPhone 4 iOS 7 Reviews – The Good For all the complaints, there are a good number of iPhone 4 owners running iOS 7 that enjoy the software update and the new features it brings. One thing to keep in mind while reading these iOS 7 on ipHone 4 reviews is that many users qualify the speed, so while they may be happy with the experience, it’s described as “rather smooth” and “not too slow” instead of smooth and fast. I’m liking iOS 7 much more than I thought I would from the screenshots. It’s not too slow on this iPhone 4 either. — Daniel Tran (@DanielTran) September 24, 2013 https://twitter.com/derekland/status/382512052360589313 And finally I've updated my iPhone 4 and iPad 3 to iOS 7. iPhone 4 is rather smooth and I'm really loving it. — Taiyo Totsuka (@ttaiyo) September 24, 2013 Should iPhone 4 Owners Upgrade to iOS 7? The biggest question is should you install iOS 7 on your iPhone 4, and that’s not an easy question to answer. There are enough reports of slow performance and lagging that it could outweigh the new iOS 7 features like Control Center. Read: iOS 7 How To Guides The easiest way to figure out if the iOS 7 lagging and other performance issues are too much for you to stand is to find a friend or coworker who is running iOS 7 on the iPhone 4 and try it out yourself. Some iPhone 4 owners will be better off staying on iOS 6 until they can upgrade to the iPhone 5s or iPhone 5c this year, or the rumored iPhone 6 next year.