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You are here: Home / Guides / How to Update iOS on the iPhone 12: A Step-by-Step Guide

How to Update iOS on the iPhone 12: A Step-by-Step Guide

posted on March 31, 2025

Updating your iPhone 12 to the latest iOS version is a breeze and essential for accessing new features, security updates, and bug fixes. All you need is a stable Wi-Fi connection and enough battery life or a charger nearby. Ready to get started? It’s as simple as heading to your settings, selecting software update, and tapping ‘download and install.’

Step by Step Tutorial: How to Update iOS on the iPhone 12

Before diving into the updating process, it’s important to understand that updating your iOS will give you access to the latest features, enhance your phone’s security, and may fix any pesky bugs you’ve been experiencing. Always ensure your data is backed up before starting the update, just in case.

Step 1: Connect to Wi-Fi

First things first, connect your iPhone 12 to a stable Wi-Fi network. It’s crucial to use Wi-Fi and not cellular data to avoid any extra charges or connection issues during the download.

Once connected to Wi-Fi, the download process will run more smoothly and won’t eat into your data allowance. This step is quite straightforward – just like connecting to Wi-Fi on any other device.

Step 2: Go to Settings

Next, grab your iPhone 12 and open up the ‘Settings’ app. It’s the one with the gear icon that you probably visit quite often for all sorts of adjustments.

Heading over to ‘Settings’ is your gateway to all things update-related. This is where your journey to a more updated iPhone begins.

Step 3: Tap ‘General’

Inside ‘Settings’, you’ll find a whole list of options. Look for the ‘General’ option and give it a tap.

‘Tapping ‘General’ takes you closer to the treasure chest of iOS updates. It’s like the control center for the inner workings of your iPhone.

Step 4: Select ‘Software Update’

Under ‘General’, you’ll see the ‘Software Update’ option. This is where the magic happens! Select it to move forward.

‘Software Update’ is where you’ll find any available updates for your iPhone 12. It’s the doorway to new possibilities and enhancements for your device.

Step 5: Download and Install

If there’s an update available, you’ll see ‘Download and Install.’ Tap it, and the update will begin downloading. If your battery is low, you might need to plug in your phone to continue.

Once you hit ‘Download and Install,’ your iPhone 12 takes over and handles the heavy lifting. Just make sure your phone remains connected to Wi-Fi and has enough juice to see it through.

After completing the update, your iPhone 12 will restart with the new iOS version installed. You’ll be greeted with a few setup screens, but then you’re good to go – enjoy exploring all the new features and improvements!

Tips for Updating iOS on the iPhone 12

  • Ensure your iPhone 12 is charged to at least 50% or plugged into a charger before starting the update.
  • Free up space if needed, as some updates require a certain amount of storage to complete.
  • Have your Apple ID and password handy just in case you need to sign in after the update.
  • Avoid using your phone during the update to prevent any interruptions.
  • Be patient! Larger updates can take a bit of time to download and install.

Frequently Asked Questions

What if there’s no update available?

If no update appears, your iPhone 12 might already be running the latest version. You can double-check by tapping ‘Software Update’ to refresh and see if there’s anything new.

Can I use my phone while it’s updating?

It’s best not to use your phone during the update to ensure that the process isn’t interrupted. Once the update starts installing, your phone will be out of commission until it restarts anyway.

How long does the update take?

The time it takes to update can vary – it depends on the size of the update and the speed of your Wi-Fi connection. Generally, you can expect it to take anywhere from a few minutes to an hour.

What should I do if the update fails?

If the update fails, try restarting your iPhone 12 and attempting the update again. If it still doesn’t work, check Apple’s support website or contact customer service for help.

Can I undo an iOS update?

Once an iOS update is installed, you can’t go back to the previous version. It’s important to ensure you want the update before downloading it.

Summary

  1. Connect to Wi-Fi.
  2. Go to Settings.
  3. Tap ‘General.’
  4. Select ‘Software Update.’
  5. Download and Install.

Conclusion

Updating your iPhone 12 to the latest iOS is a smart move to keep your device in top shape. With the simple steps outlined above, you can easily ensure you’re always running the most current version, packed with the newest features and security enhancements. Remember, while updates are designed to improve your experience, it’s always good practice to backup your data before proceeding. A successful update not only gives you a fresh feel of usability but also ensures that your device is safeguarded against any vulnerabilities. So, go ahead and give your iPhone 12 the love it deserves with a quick update. After all, staying updated is staying ahead!

Matthew Burleigh
Matthew Burleigh

Matthew Burleigh has been a freelance writer since the early 2000s. You can find his writing all over the Web, where his content has collectively been read millions of times.

Matthew received his Master’s degree in Computer Science, then spent over a decade as an IT consultant for small businesses before focusing on writing and website creation.

The topics he covers for MasterYourTech.com include iPhones, Microsoft Office, and Google Apps.

You can read his full bio here.

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