Welcome to the world of microphone-optional ham radio: weak-signal digital modes. First things first, let me make it clear that there are a ton of modes available to amateur radio service ...

The settings on your phone can help you get better cell service, but there are other tricks for improving your reception ...

Four bars doesn’t distinguish 75% from 100% signal strength. You need real numbers to find your sweet spot. On an iPhone, you can access a hidden diagnostic feature called Field Test Mode. It isn’t in ...

No matter which iPhone you use, you’ll invariably deal with a bad or no signal at some point. Here are some quick fixes: 1. Use Airplane Mode Need a break? Play the USA TODAY Daily Crossword Puzzle.

Luckily, there's a trick to reveal your iPhone's true signal strength, and it takes less than a minute to enable. First, you'll need to access a hidden app on your phone called Field Test Mode.