When you are choosing a smart phone you will have a lot of choices. Most of the makers of smart phones will try to sell you with all of the features that they offer. In truth almost all smart phones have similar features so there is not a lot to choose between them. That being said there are some things that you are going to want to pay attention to when choosing features.
The biggest difference between smart phones when it comes to features is going to be determined by the operating system. Therefore this is what you are going to want to pay the most attention to when you are choosing phone. The operating system will largely determine which other features will be available and how they will work. Most people find that Android gives them the most flexibility while business users tend to prefer BlackBerry's operating system. Apple's iPhone is popular because of the number of apps that it allows you access to.
The other features that you will find on a smart phone will largely be the same. There will be some small differences but for the most part they all have the same features. That being said there is going to be compromise when it comes to design on any phone so you will have to decide which are the most important for your needs. For example if you are going to be watching a lot of video you are probably going to want a large screen. On the other hand if you are going to be using your phone for business purposes you will probably find that a full keyboard will come in handy.
One thing that you are going to want to really pay attention to when you are choosing your phone is how easy it is to switch from one feature to another. This can be a bit tricky on a smart phone so you are going to want to see how this is done. In particular you are going to want to make sure that you can easily switch between the features that you are most likely to use. This will depend on your own personal needs so there is no one phone that does it better than others.
The last thing that you are going to want to look at is what apps are available for your phone. One of the great things about smart phones is that the apps allow you to add new features to your phone. Some smart phones have more apps available than others, in some cases a lot more. In large part the more popular a particular phone is the more apps there will be for it as the app developers naturally focus on the phones that are most widely used and which will likely result in the most people downloading their app.