Mobile App iOS Update

I need my existing mobile app updated to run on the latest iPhones and iOS versions.

Key Requirements:
- Ensure compatibility with the latest iOS
- Fix any existing bugs
- Maintain current features; no new features needed

Ideal Skills and Experience:
- Proficiency in iOS development
- Experience with app updates and bug fixes
- Familiarity with latest iOS versions and Apple guidelines

Please provide examples of similar work.