If you’re looking to download Sims 4 on your iPhone, there are a few things you’ll need to do. First, make sure that your device is up to date with the latest security patches. Second, be sure that you have the latest version of the Sims 4 game client installed. Finally, be sure to create a Sim account and input your email address in the account settings. Once all of these things are in place, you can start playing!