A. 1. Optimize device settings: Ensure that your device is optimized for performance. Close background apps, clear cache, and ensure sufficient storage space is available. 2. Check for updates: Make sure both the app and your device's operating system are up to date, as updates can improve performance.

B. 3. Use a compatible device: If possible, use Meitu on a device that is known to perform well with the app. Research online for device recommendations.