Thinking about wiping your iPhone clean? It's a really simple process! The quickest way is to head into Settings > General > Transfer or Reset iPhone, then tap Erase All Content and Settings. This is the big red button—it permanently deletes everything and sends your phone back to its factory settings. So, before you do anything else, make sure you've got a backup.

Why and When Should You Completely Reset Your iPhone?

Hands holding an iPhone displaying 'Wipe and Reset' over its white box.

Before we jump into the "how," let's have a friendly chat about the "why." Knowing how to completely reset an iPhone isn't just a bit of tech trivia; it's a super important skill for keeping your digital life secure. Think of it as a proper deep clean for your device, going way beyond just deleting a few apps.

A full reset erases the lot—your photos, messages, contacts, apps, and all your personalised settings. It returns your iPhone to the exact state it was in when you first unboxed it. This is absolutely essential in a few common situations.

Protecting Your Personal Data

Getting ready to sell your old iPhone or pass it on to a family member in Merstham? A factory reset is non-negotiable. It's the only way to be certain that your private information, from banking app logins to personal photos, is completely wiped and can't be accessed by the next owner.

In the UK, this is simply standard practice. In fact, over 70% of sellers are advised to perform a factory reset before handing over their device. If you skip this, you’re not just risking a data breach—you could also cause a major headache with Activation Lock, leaving the phone useless for its new owner.

A factory reset is your digital safety net. It’s the only way to be certain your personal life doesn't end up in someone else’s hands when you part ways with your device.

Solving Pesky Performance and Software Problems

Every so often, an iPhone can start feeling sluggish or acting up because of corrupted files or software glitches that have built up over time. A simple restart can often sort out minor hiccups, but for those really stubborn problems, a complete reset is the ultimate fix. It gives your device a truly fresh start, often solving complex issues that hours of troubleshooting can't touch.

If you're stuck or just need a bit of advice on whether a reset is the right move for your situation, our team here in Redhill is always happy to help. Just fill out our simple sales form, and we'll get in touch.

A reset can also be a powerful move for managing your digital habits. If you feel like your phone use has become a bit overwhelming and you're thinking of a reset to start fresh, this resource offers some really practical phone addiction help to get you back in control.

Don't Even Think About Erasing Your iPhone Until You've Done This

A smartphone showing a 'Backup' screen on a laptop, with a checklist for iCloud and computer backup.

Before you hit that final, irreversible "Erase" button, let's take a deep breath. Wiping your iPhone without a backup is like chucking out your family photo albums without making copies. Once everything's gone, it’s gone for good. A backup is your safety net, plain and simple.

Seriously, this is the single most important thing you'll do before you learn how to completely reset an iPhone. It saves a copy of all your important data—photos, contacts, app data, memories—so you can restore it to a new phone or even this same one later. Without it, you’re starting over from absolute scratch.

iCloud or Computer: Picking Your Backup Spot

You've got two great options for backing up your iPhone, and each has its own perks. I like to think of it as having a digital copy stored safely in the cloud and a physical copy right there on your computer. Both work a treat.

  • iCloud Backup: This is by far the easiest and most hands-off method. Your iPhone automatically backs itself up to Apple's servers whenever you're on Wi-Fi. It’s perfect for daily peace of mind without you having to lift a finger.
  • Computer Backup: Using Finder on a Mac or iTunes on a PC creates a full, local copy of your device right on your computer's hard drive. This is a brilliant option if you're out of iCloud storage or just prefer having a tangible backup you completely control.

Honestly, the choice usually boils down to convenience versus storage space. iCloud is seamless, but the free plan only gives you 5GB. A computer backup costs nothing but requires you to physically plug your phone in and start it yourself.

How to Create an iCloud Backup

For most people, iCloud is the way to go. To make absolutely certain you've saved the most recent version of your data, it's always a good idea to trigger one last manual backup right before you reset.

First, quickly check if you have enough storage. Just pop into Settings > [Your Name] > iCloud. You'll see a little bar showing your current usage. If there's enough space, you're good to go.

From there, tap on iCloud Backup and then hit Back Up Now. Make sure your iPhone stays connected to Wi-Fi until it's finished. Now you can relax, knowing everything is securely tucked away.

A recent backup is your best insurance policy against losing your digital life. Always, always do a manual backup just before you reset to capture the very latest photos, messages, and app data.

Creating a Backup on Your Computer

If you're running low on iCloud space or you’re just the type who prefers a local copy, using your computer is a rock-solid alternative. It's a reliable method we often recommend to customers here in the Redhill area.

For Mac users with macOS Catalina or newer, just connect your iPhone and open Finder. You’ll see your iPhone pop up in the sidebar. Click on it, head to the General tab, select "Back up all of the data on your iPhone to this Mac," and then click Back Up Now.

If you're on a PC or an older Mac (macOS Mojave or earlier), you'll need iTunes. Plug in your device, open iTunes, click the little iPhone icon near the top, and under the Summary tab, choose "This Computer" before hitting Back Up Now.

Whichever way you go, just make sure you do it. If you run into any trouble or need a bit of advice, our Redhill-based team is here to help. Just drop us a line through our secure sales form, and we'll happily walk you through it.

Performing the Reset Directly on Your iPhone

Right, with your precious data safely tucked away in a backup, you're ready for the main event. This is by far the most common and straightforward way to completely reset an iPhone. The best part? It’s all done right there on the device itself. You won’t need a computer or any special cables—just your phone and a few moments of your time.

Think of this process as taking your iPhone back to factory settings. It’s the digital equivalent of a deep clean, getting it back to the clean slate it was on day one. It's the perfect way to make sure none of your personal information is left behind before you sell it or pass it on.

Navigating to the Erase Option

First things first, you'll need to dive into your iPhone's Settings app—that familiar grey gear icon. Once you're in, the path is quite simple.

Here’s the quick route:

  • Tap on General.
  • Scroll all the way down to the bottom and select Transfer or Reset iPhone.
  • Finally, tap on Erase All Content and Settings.

This is the point of no return. The next screen will show you a summary of everything that’s about to be wiped for good, including your apps, photos, messages, and Apple ID. It’s your last chance to double-check that your backup is safely complete!

The Crucial Step: Deactivating Find My

Before your iPhone wipes itself, it's going to ask for your passcode and then, most importantly, your Apple ID password. This isn’t just a simple confirmation; it’s a critical security measure.

Entering your password does two very important things: it signs you out of iCloud and, crucially, it deactivates Find My. This action turns off something called Activation Lock.

Activation Lock is Apple's powerful anti-theft feature. If it's left on, the iPhone is permanently tied to your Apple ID and will be completely unusable for anyone else—even after a full reset. It basically turns the phone into a very expensive paperweight.

By entering your password, you're officially releasing the device from your account, making it ready for its next owner. Whether you're selling it to someone in Reigate or passing it on to a friend in Horley, this step is absolutely non-negotiable. Skipping it will cause a major headache for the next person.

Once you’ve entered your details and confirmed your choice, the reset process will kick off. Your iPhone's screen will go black and show the Apple logo with a progress bar. This usually only takes a few minutes, and when it’s finished, you'll see the friendly, multilingual "Hello" screen. Your job is done!

If you're feeling a bit nervous about the process or run into any trouble, remember our team here in Redhill is always on hand to help. Just get in touch through our quick sales form, and we can offer some friendly advice.

Resetting an iPhone You Can’t Get Into

Sometimes, the easy path through the Settings app is blocked. What if the screen is smashed, the phone won’t turn on, or you’re staring at the lock screen after forgetting your passcode? It happens. Don't panic—if you have a computer, there’s a rock-solid solution.

This method involves forcing your iPhone into Recovery Mode. Think of it as a special startup mode that lets your Mac or PC talk to the phone on a basic level. From there, you can use Finder (on newer Macs) or iTunes (on older Macs and PCs) to completely wipe the device and reinstall a fresh copy of iOS. It’s the go-to fix when the phone itself is out of reach.

How to Enter Recovery Mode Using a Computer

Putting an iPhone into Recovery Mode involves a specific sequence of button presses, and it’s slightly different depending on which model you have. It’s not hard, but timing is everything. Before you start, make sure your Mac is up to date or that you have the latest version of iTunes on your PC.

Here’s the breakdown by model:

  • iPhone 8 or newer (and iPhone SE 2nd gen or later): Quickly press and let go of the Volume Up button. Immediately do the same with the Volume Down button. Then, press and hold the Side button. Keep holding it until you see the recovery mode screen pop up—it looks like a computer icon and a cable.
  • iPhone 7 and 7 Plus: This one’s a bit simpler. Just press and hold the Side button and the Volume Down button at the same time. Don’t let go until that recovery mode screen appears.
  • iPhone 6s or older (and iPhone SE 1st gen): For these older models, you’ll press and hold both the Home button and the Top (or Side) button together. Keep them held down until you see the recovery mode screen.

Once your iPhone is successfully in recovery mode and plugged into your computer, a message should automatically appear in Finder or iTunes. It’ll tell you something like, "There is a problem with the iPhone that requires it to be updated or restored." You need to choose Restore.

Your computer will take it from there, downloading the latest iOS software directly from Apple and installing it on your device. This process completely erases everything, leaving you with a factory-fresh iPhone.

While the visual guide below shows the simple in-device process, the end result of a computer restore is exactly the same: a completely fresh start.

A visual guide illustrating the three-step iPhone reset process: Settings, General, and Erase iPhone.

Whether you get there through the Settings menu or force the issue with a computer, the goal is achieved—a device wiped clean of all your personal data.

When Recovery Mode Isn’t Enough: DFU Mode

Every now and then, you might run into a problem so stubborn that even Recovery Mode can't fix it. This is usually due to some deep-level software corruption. For these rare, extreme cases, there's a final, more powerful tool in the toolbox: DFU (Device Firmware Update) mode.

DFU mode is the deepest restore possible. It lets the iPhone connect to a computer without even loading the main operating system or bootloader. It's the last resort for fixing major software issues that stop the phone from even starting up properly.

Entering DFU mode involves even more complex button combinations that differ between models, and getting the timing right can be tricky. Because it's a much more advanced procedure, we typically only recommend it as a final option if all else has failed.

If you’re facing a problem this serious, or just don't feel comfortable with these steps, our team in Redhill is always here to help. Just pop your details into our sales form, and one of our experts can take a look.

What to Do After the Reset Is Complete

You’ve done it! After a few minutes of watching the Apple logo, your iPhone should now be showing the friendly, multilingual 'Hello' screen. That’s the sign of a successful reset.

Now that the hard part is over, what comes next depends entirely on what you plan to do with the phone. Your path from here splits into two very different directions: setting it up for yourself again, or getting it ready for a new life with someone else.

Setting Up the iPhone for Yourself

If you're keeping the phone, that 'Hello' screen is your starting line. It's the exact same setup process you went through when you first took the phone out of its box.

Follow the on-screen prompts to choose your language and connect to a Wi-Fi network. Soon, you'll hit a crucial screen: Apps & Data. This is where your backup from earlier comes into play. You’ll see a few options:

  • Restore from iCloud Backup: If you backed up to iCloud before the reset, this is your best bet. Just sign in with your Apple ID and pick the most recent backup.
  • Restore from Mac or PC: For those who used a computer, connect your iPhone now. Select this option and follow the steps in Finder or iTunes to pull the backup from your computer.

Once you’ve made your choice, the phone will kick into gear, downloading all your apps, photos, settings, and messages. This part can take a while, so it’s a good time to grab a cuppa and let it do its thing.

A word of advice: be patient. Depending on the size of your backup and your internet speed, the restore process can take a fair bit of time. Keep the phone plugged in and connected to Wi-Fi until it’s completely finished.

Preparing the iPhone for a New Owner

So, you’re selling your phone or giving it to a family member in a nearby town like Horley or Reigate? Great! In that case, your work is even easier.

When you see that 'Hello' screen, you are completely finished.

Do not go any further with the setup.

Leaving the device on this welcome screen is the perfect way to hand it over. It gives the new owner that clean, 'out-of-the-box' experience, allowing them to set it up fresh with their own Apple ID and preferences.

If you have any last-minute questions or hit a snag, our team here in Redhill is always ready to help. Just fill out the contact form on our website, and we'll get back to you with some friendly advice.

Got Questions About Resetting Your iPhone? We’ve Got Answers.

Over the years, we've helped countless people in and around Redhill get their iPhones ready for a new life. It's a common process, but one that often comes with a lot of questions. Let's clear up some of the most frequent ones we hear.

Will a Factory Reset Delete the Actual iOS Software?

Nope, it won’t touch it. A factory reset is all about wiping your personal information—think photos, messages, apps, and all your custom settings. The operating system itself, the iOS software, stays put.

Once the reset is complete, your iPhone will boot up just like it did the very first time, running the same version of iOS it had before you started. It'll be a completely blank slate, ready for setup.

I've Forgotten My Apple ID Password. Can I Still Reset My iPhone?

This is a really important one, and the short answer is: not properly. You absolutely must have your Apple ID password to turn off ‘Find My’ before you start the reset. This is a critical security step because it deactivates Activation Lock.

Activation Lock is Apple's powerful anti-theft feature. If you reset the phone without switching off ‘Find My’, the device remains locked to your account, making it a useless brick for anyone else. Your first port of call should always be to recover your Apple ID password on Apple’s website before even thinking about the reset.

Think of Activation Lock as the digital deed to your iPhone. Without the password to sign out of ‘Find My’, you're essentially handing over a locked-up device that nobody else can access.

How Long Does an iPhone Reset Actually Take?

The erasing part itself is surprisingly fast, usually just a couple of minutes. The real time-consumer is backing up all your data beforehand, which you should never skip!

An iCloud backup can take anywhere from 15 minutes to over an hour, sometimes even longer. It all comes down to how much stuff you have on your phone and the speed of your Wi-Fi. So, budget plenty of time for the backup; the reset is the quick and easy finale.

What's the Difference Between 'Reset All Settings' and 'Erase All Content'?

It’s crucial to know the difference here, as picking the wrong one can cause a headache.

  • Reset All Settings: This is the gentle option. It just clears out your preferences—things like Wi-Fi passwords, your wallpaper, and location settings. All of your important stuff, like photos, apps, and contacts, are left completely untouched.
  • Erase All Content and Settings: This is the one we're focused on in this guide. It's the "nuclear option" that securely wipes everything and returns the iPhone to its original factory state.

If you’re selling your phone, passing it on, or trying to solve a major software glitch, you always want to choose Erase All Content and Settings.


Still have questions or hit a snag? The team at EXE is based right here in Redhill and we're always happy to help. For some friendly advice or a quick quote on your old devices, just fill out our simple online form.

Get in touch with us by visiting our contact page.