If your home screen becomes frozen, try the following steps to fix it:

1. Reboot your phone: First, try a simple power cycle and reboot your phone.
2. Force close all apps: These can be running in the background, and cause your screen to freeze.
3. Check the battery: If your battery is low, this could be causing the freezing issue. Try plugging in or replacing the battery.
4. Clear the cached data: This will help your phone to boot in an optimized state.