When your device displays “Three Bars” of signal strength, it indicates a moderate signal level. This means you should have a decent level of connectivity for making calls, sending text messages, and using data services like web browsing or streaming.
With three bars, you may experience good call quality and reasonably fast data speeds in most situations. However, network performance can still vary depending on factors such as network congestion, your carrier’s infrastructure, and your device’s capabilities. You might encounter occasional drops in signal or slower data speeds compared to when you have a stronger signal.
In general, three bars represent a reliable connection, but it may not be as robust as having four or five bars of signal strength.