5G Auto: enables Smart Data mode. When 5G speeds don’t provide a noticeably better experience, your iPhone will switch to LTE automatically , saving battery life. 5G On: always uses 5G network when it’s available.
Read moreDoes 5G need to be turned on?
With 5G networks still in the process of rolling out, you might want to turn off your phone’s fastest cellular speed sometimes . This will ensure a stable connection, and a long-lasting battery life. After all, a good 4G LTE connection is still more than fast enough for most tasks, including streaming video and music.
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