A. 1. Check your coverage: Use the AT&T coverage map available on their website to see if your area is well-covered. If not, consider using Wi-Fi calling if your device supports it. 2. Reset network settings: Go to your device settings, find 'Reset' options, and select 'Reset Network Settings'. This can help resolve connectivity issues. 3. Use a signal booster: If you frequently experience poor reception at home or work, consider investing in a signal booster to enhance your signal strength.

B. 4. Update your device: Ensure your phone's software is up to date, as updates can improve connectivity and performance. Go to Settings > General > Software Update.