Протестировать приложение на iOS7

Есть приложение, а также исходный код. К сожалению оно вылетает на ios 7. А возможности протестировать нет.

Reasons

2.1: Apps that crash will be rejected

2.1

We found that your app crashed on iPad running iOS 7.0.2, which is not in compliance with the App Store Review Guidelines.

Your app crashed when tapping the subscription button.

We have attached detailed crash logs to help troubleshoot this issue. For information on how to symbolicate and read a crash log, please see Tech Note TN2151 Understanding and Analyzing iPhone OS Application Crash Reports.

If you have difficulty reproducing this issue, please try testing the workflow as described in Testing Workflow with Xcode's Archive feature.

For discrete code-level questions, you may wish to consult with Apple Developer Technical Support. Please be sure to prepare any symbolicated crash logs, screenshots, or steps to reproduce the issues for when the DTS engineer follows up.