Speedup Older iPhones

Now that I am not using a subscription and buying my iPhones outright, I tend to use older iPhones. I have moved away from thinking I need a new iPhone every two years. I have found my iPhone 11 works just fine, but it does seem to have slowed down a bit. If you are using an older iPhone, there are ways to speed it up. This article lists several things you can do to speed up you older iPhone.