A. 1. Clear the app's cache by going to Settings > General > iPhone Storage, find the Trending Music app, and select 'Offload App'. This will remove the app but keep its documents and data. Reinstall the app from the App Store. 2. Ensure your iPhone has enough storage space. Go to Settings > General > iPhone Storage and delete any unnecessary apps or files to free up space.
B. 1. Check your internet connection speed using a speed test app. If the speed is low, try moving closer to your Wi-Fi router or switching to a different network. 2. Close any background apps that may be using bandwidth by double-tapping the home button and swiping up on apps you are not using.