How to Turn On 5G on iPhone 15: A Step-by-Step Guide

If you’re wondering how to turn on 5G on your iPhone 15, you’re in the right place. This guide will quickly walk you through the steps needed to enable 5G on your device. Ready? Let’s get started!

How to Turn on 5G on iPhone 15

Turning on 5G on your iPhone 15 will allow you to access faster internet speeds and better connectivity. Here’s a step-by-step guide to help you enable 5G.

Step 1: Open Settings

First, unlock your iPhone and find the Settings app on your home screen. Tap to open it.

The Settings app is the hub for all configurations on your iPhone. When you’re in there, you’ll see a list of options to tweak everything from your Wi-Fi to your display.

Step 2: Tap on Cellular

Next, scroll down and tap on the "Cellular" option.

The Cellular settings section allows you to manage your mobile data options. Here, you can see your data usage, manage your data plan, and, of course, enable 5G.

Step 3: Choose Cellular Data Options

After that, tap on "Cellular Data Options."

This option brings you to a sub-menu where you can configure various data settings, including data roaming and network selection.

Step 4: Tap on Voice & Data

Once in Cellular Data Options, tap "Voice & Data."

The Voice & Data settings will determine how your iPhone connects to the cellular network. This is where you can switch between LTE and 5G.

Step 5: Select 5G Auto or 5G On

Finally, select either "5G Auto" or "5G On" from the list of options.

"5G Auto" will use 5G only when it improves your experience without significantly affecting battery life. "5G On" will use 5G whenever available, even if it drains your battery faster.

Once you’ve completed these steps, your iPhone 15 will be set to use 5G. You’ll likely notice faster internet speeds and better connectivity, especially in areas with strong 5G coverage.

Tips for Turning on 5G on iPhone 15

  • Make sure your carrier supports 5G in your area.
  • Keep an eye on your data usage, as 5G can consume data faster.
  • Consider battery life: 5G can drain your battery quicker than LTE.
  • Use "5G Auto" to balance performance and battery life.
  • Restart your phone if you don’t see the 5G icon after enabling it.

Frequently Asked Questions

Do all carriers support 5G?

Not all carriers support 5G, so check with your carrier first to ensure you have coverage in your area.

Will 5G drain my battery faster?

Yes, using 5G can drain your battery faster compared to LTE, especially if you have "5G On" enabled.

Can I turn off 5G if I don’t want to use it?

Yes, you can always go back to the settings and select LTE if you prefer not to use 5G.

What’s the difference between 5G Auto and 5G On?

"5G Auto" uses 5G only when it won’t significantly affect battery life, while "5G On" uses 5G whenever it’s available.

Do I need a specific SIM card for 5G?

Most modern SIM cards support 5G, but it’s always good to check with your carrier to be sure.


  1. Open Settings.
  2. Tap on Cellular.
  3. Choose Cellular Data Options.
  4. Tap on Voice & Data.
  5. Select 5G Auto or 5G On.


There you have it! You’ve learned how to turn on 5G on your iPhone 15 in just a few simple steps. Now, you’re ready to experience faster internet speeds and better connectivity. If you’re still curious, don’t hesitate to dive deeper into your device’s settings or even consult your carrier for more details.

Remember, having 5G is like having a speedboat in a sea of sailboats. You can zip around the internet faster and more efficiently. Just keep an eye on your battery and data usage to make the most of this fantastic feature. Happy browsing!