Ionic 4 Splash Screen Scaling Fix

I'm facing issues with my app's splash screen after upgrading from Ionic 3 to 4. The splash screen's size or scaling is different, which is impacting the overall quality of the app.

Key Requirements:
- Diagnose and fix splash screen scaling issues in Ionic 4
- Ensure the splash screen displays with consistent quality across all devices
- Optimize splash screen for a higher resolution

Ideal Skills:
- Extensive experience with Ionic framework, particularly Ionic 3 and 4
- Strong understanding of mobile app UI/UX design principles
- Proven track record in app debugging and troubleshooting

I am looking for a freelancer who can help me resolve these splash screen issues, ensuring a high-quality, consistent experience across all devices.