Q: I can not log on the app store. what do I do?

Hi there Kimern,

Welcome to Apple Support Communities.

It sounds like there's an issue signing in to or connecting to the App Store on your iPhone. Take a look at the article below and use the process that it outlines when trying to sign in to the App Store on your iOS device.

Sign in with a different Apple ID on your iPhone, iPad, or iPod touch - Apple Support

Also, this article provides troubleshooting suggestions that will resolve issues connecting to the iTunes Store, but the suggestions will also resolve issues connecting to the App Store on an iOS device.

If you can’t connect to the iTunes Store - Apple Support

Ciao.