A. 1. Clear the app cache: Go to your iPhone Settings > General > iPhone Storage > Find the Yoshinoya app > Tap on it > Select 'Offload App'. This will free up storage and may improve performance. Reinstall the app afterward.
B. 2. Update the app: Ensure you have the latest version of the app. Go to the App Store, tap on your profile icon at the top right, scroll down to see if an update is available for Yoshinoya, and tap 'Update'.