Who doesn't deal with some dead-zones, here and there? If you don't... you're LUCKY!
If you do... there's NO PLACE more annoying to have spotty service than IN YOUR HOME!
Check out these tips from PopSci (Popular Science) on how to deal with those in home dead zones:
Try a messaging app
If Wi-Fi calling doesn’t work for you, and you’re unwilling to buy a new phone, you can still try another solution—though none of them are quite as seamless.
Most messaging options—like Facebook Messenger, WhatsApp, and Skype—allow you to make voice calls and send messages to any of your friends within those apps.
There’s a good chance most of your contacts are on Facebook anyway, so that’s a decent option—but it isn’t always as reliable as text…