Fix TikTok Error on iPhone 13 Pro

Issue: Every time I open the TikTok app, I receive the message “Services not available. Our services are not available in your country or region.” After this message appears, I cannot access the app or log in to any account... (Budget: $10 - $30 USD, Jobs: App Development, iOS Development, iPad, iPhone, Mobile App Development, Mobile App Testing, Objective C, Troubleshooting)