iPhone14: How to change 5G settings for longer battery life or faster speeds

iPhone 12, 13 and SE 3 offer next-generation 5G cellular service. Apple uses the "5G Auto" setting, which it calls "Smart Data Mode," as the default. This is designed to allow users to strike a balance between network speed and battery life, but you can also manually manage settings to optimize your current needs. Continue to learn how to turn 5G on/off on iPhone.

If you're curious about what kind of 5G performance you'll see on your iPhone, it will depend on where you live and your carrier. In the U.S., Verizon, AT&T, and T-Mobile all offer 5G nationwide, with speeds up to 1,000 Mbps (1 Gbps), but that's not the norm for most people.

There are several types of 5G, most notably mmWave, which offers the fastest speeds but very limited range, and Sub-6Ghz 5G, which has better range but speeds closer to 4G LTE. And only the iPhone 12 and 13 support both mmWave and sub-6GHz 5G.

One drawback of 5G, however, is that it uses more battery than LTE. Some tests have shown that iPhones last 1-2.5 hours longer using 4G LTE compared to 5G.

iPhone Default 5G Settings

5G is on by default on compatible iPhones, but is not permanently available (even if available). It uses what Apple calls "Smart Data Mode" to try to automatically strike the best balance between 5G/LTE and battery life. Apple even says it takes your data plan into account:

The default settings for 5G on iPhone are optimized for battery life and data usage based on your data plan. You can customize these options to know when 5G is used and how much data is used in certain apps.

However, in cellular settings, you can choose to manually turn 5G on/off on iPhone to optimize speed or battery life.

How to turn 5G on/off on iPhone

1. Go to the Settings app on iPhone (5G available on iPhone 12, 13, and SE 3)
2. Tap Cellular
3. Select Cellular Data Options
4. Tap Voice and Data
5. Using 5G Auto as the default, you can select 5G On to use it at any time for faster speeds
6. Alternatively, if you want to turn off 5G completely, tap LTE (Extended battery life)

You can also tap Data Mode in Cellular Settings and selectAllow more data on 5G,for better quality Video streaming and FaceTime etc. In contrast, Low data mode is suitable for the time you want to save.

This is what it looks like:

## Turn 5G on/off: What is this icon?

For different types of 5G services (sub-6Ghz, mmWave, etc.), Apple has four different icons in the iPhone status bar to represent what you are using (whether you turn on 5G manually or use 5G Auto /Smart data mode).

Verizon uses 5G UW to label mmWave and other high-band 5G connections, AT&T uses 5G, and T-Mobile labels it 5G UC (Ultra Capacity). If you see a simple "5G" in the status bar, you're on a lower spectrum (greater range and coverage, relatively slower speeds).

Note: iPhone SE 3 is not compatible with mmWave 5G service, which is only sub-6GHz. iPhone 12 and 13 support mmWave and sub-6GHz.

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