Should you use your cell phone during a disaster?However, you shouldn’t solely rely on your phone during a disaster. Since your cell phone may not be a viable option in an emergency, you need to have backup way to communicate. For example, amateur radio service, multi-use radio service, or walkie-talkies.
Crisis Communication: emergency first to fail cellular
Crisis Communication: What To Do When Cell Phones Fail - Off The Grid News
How to Communicate During a Disaster