iPhone 12 128GB Download Speed Extremely Slow

I recently attempted to download a game on my iPhone 12 (128GB) and was shocked when it estimated a full day to complete. This is not the performance I expected when buying this device. When streaming videos, my internet connection works perfectly fine, but the download process slows to a crawl. My internet service has no issues, so I’m at a loss for what’s causing this frustratingly slow performance. Could it be a hardware issue within the phone? My device is still under warranty and covered by insurance, and I need guidance on what steps to take to resolve this issue. Apple, please assist and address this malfunction promptly.