By Matt Milano, 08/28/18
Having a dropped call can be incredibly frustrating, especially when you look down and see that your iPhone has full reception. While there’s any number of issues that can cause this, one common and often overlooked issue is your iPhone failing to switch cell towers as appropriately needed.
When you’re not switched to the appropriate tower, it means there’s a problem with the communication between your smartphone and cellular network. Either your iPhone tries to hold its connection to a cell tower that’s well outside the optimal range or the new cell tower is already overloaded with other connected devices.
How Cell Phones Switch Towers
Cell phones work with networks to determine the best tower to connect to based on range, signal strength, and the frequency being used. When a phone is connected to a cellular network, it continually checks the signal strength of nearby towers and communicates that information to the network. In theory, when a phone’s connection to a cell tower drops below signal strength of a nearby one, the network should switch the phone to the new tower.
Practically, however, this doesn’t always occur as smoothly as it should and common fixes, such as cycling Airplane Mode, don’t always work. While using the “Reset Network Settings” option will always work, it’s a drastic step that will also erase any saved Wi-Fi login credentials. Fortunately, there’s another simple way to force your iPhone to switch towers…
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