Open your iPhone's Settings. Here’s how to enter diagnostics mode (dubbed CheckerBoard) on iOS 10.3 powered iPhone, iPad and iPod touch devices. Nicole Levine is a Technology Writer and Editor for wikiHow. After isolating an issue on your Mac to a possible hardware issue, you can use Apple Diagnostics to help determine which hardware component might be causing the issue. After downloading it was painfully apparent this app is not a Diagnostic Tool for the iPhone. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/cd\/View-Your-Diagnostics-and-Usage-Data-on-an-iPhone-Step-1-Version-2.jpg\/v4-460px-View-Your-Diagnostics-and-Usage-Data-on-an-iPhone-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/c\/cd\/View-Your-Diagnostics-and-Usage-Data-on-an-iPhone-Step-1-Version-2.jpg\/aid8414429-v4-728px-View-Your-Diagnostics-and-Usage-Data-on-an-iPhone-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
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