How to remove a virus from an iPhone or iPad

Do iPhones get viruses? Yes they do – but it’s very rare. Rather than an a virus, it’s more likely that you’re seeing a misbehaving advert in an app you use regularly, triggering behaviour that is intended to convince you that iOS is infected and you need to download an app to fix it, or redirecting you to a dodgy web page or a dodgy app on the App Store.

However, if you’re convinced that your iPhone or iPad has a virus, worm or other form of malware, read on to find out how to remove it, as well as how to avoid these problems in the first place. For more general advice, read our iPhone security tips.

How to find out if your iPhone has got a virus

Technically speaking, a virus is a piece of code that inserts itself into another program, whereas a worm is a standalone program in its own right; both seek to propagate themselves by hijacking messaging applications or via social engineering.

The iOS platform has seen a number of attacks that fit the first definition, when attackers have inserted malicious code into respectable apps or hijacked the developer tool used to create them. And although compromised apps should be caught at the App Store’s approval stage, those who have jailbroken their devices can install apps from other sources and may inadvertently install something dangerous.

In either case, however, the isolated sandbox nature of iOS should prevent the malware attack from getting access to other applications (in order to spread itself) or to the underlying operating system.

What’s causing the problem?

The main questions when trying to work out what has happened to your malfunctioning iPhone or iPad are these:

Have you jailbroken your device? And if so, have you installed an application from a non-official source whose authenticity is questionable? If the answer to both is yes, you may have a malicious piece of software on your device, and should attempt to isolate and uninstall the culprit.

Does the unexpected behaviour manifest itself when you use certain apps only? If so – and particularly if it’s only one app – then you’re probably looking at an app-specific issue, and we’ll deal with this in a moment. Common behaviour exhibited by apps that have been hijacked include redirecting you to an unfamiliar web page in Safari, and opening the App Store without permission.

You may also be able to find the route of the problem using a dedicated antivirus app for iOS such as Bitdefender Mobile Security. This will then protect you from future security threats, and adds web protection, a VPN and remote lock and wipe to the mix too.

If the problem continues to happen no matter which apps are open, the chances are that your device is misbehaving because of a hardware problem, or because of an iOS change that you’re not used to yet, or because you or another user of the device has changed a setting, perhaps inadvertently. It’s extremely unlikely that malware has penetrated to the heart of the operating system and is causing problems throughout the system; this would be essentially unprecedented. In any of these cases we would take the device to an Apple Genius Bar.

Is a compromised app causing the problem?

Rather than a virus affecting iOS itself, it’s possible that you’ve simply got a problem app.

This doesn’t necessarily mean the app is bad or that the developers are at fault; conversely, the fact that an app is legitimate or was made by a reputable company doesn’t mean it can’t be hijacked by malware or hackers.

Because hackers cannot break into iOS itself, one of their most common strategies is to crack a developer kit, which may in turn be used by well-meaning and unaware app developers. The crooks thus gain the ability to redirect you to a dodgy website when you use the app which uses the compromised developer tool.

It’s usually obvious when one particular compromised app is causing the problem, because you only have problems when using it. The usual giveaway sign is that, when you’ve got that app open, you will periodically be redirected to a web page, or to the App Store, without your permission.

If you think one app is the problem, first of all have a look to see if an updated version of the app is available, since the problem may have been noticed and fixed. Also check the app’s website (if it has one) and/or the developers’ Twitter feed (if they have one) to see if the issue has been reported or discussed in those places. If the devs are contactable then you should report the issue to them; they may be able to offer a solution, but even if they can’t, they are more likely to find a fix if they know about the problem.

Assuming that updating the app doesn’t solve the problem, uninstall it and try to manage without it for a while. If the problem disappears then you’ve found your culprit, and it’s time to decide if you can manage without the app in the long term. Even if you do decide to give it the chop, however, remember that you can check in with the developers from time to time and see if a satisfactory update has materialised.

Clear history and website data

Here’s a quick tip that may resolve web page redirect problems. Go to Settings > Safari > Clear History and Website Data, then tap Clear History and Data to confirm.

How to remove iPhone viruses: Clear history

Power off and restart

Hold down the power button until the screen changes and the ‘slide to power off’ slider appears. (This should take about four to five seconds.) Then slide the slider so the phone powers down. The screen will turn black. (On an X-series iPhone, you’ll have to hold the power button and the volume down button at the same time.)

To restart the phone, hold down the power button again. This time it should take about 10 seconds. The Apple logo will appear; at this point you can let go of the power button. Wait until the passcode entry screen appears (you need to enter a passcode instead of using Touch ID the first time you unlock a phone after powering up) and then unlock the phone.

Has this fixed the problem? If not, you may need to take more drastic measures.

How to remove iPhone viruses: Security tips

Restore your iPhone from backup

We trust that you back up your iPhone on a regular basis. If so, it’ll be easy to restore your iPhone from the most recent backup and see if the solution has been removed.

If this fails, you may have backed up the contents of your iPhone including the malware of other problem, so restore from the second most recent backup, then the one before that and so on. Hopefully you will find a backup that pre-dates the problem and you’ll be able to proceed from there.

Restore your iPhone as a new device

If none of your backups are malware-free, or the only backups that are malware-free are unusable for some other reason, then you may be better off starting from scratch.

Wipe your iPhone by going to Settings > General > Reset > Erase All Contents and Settings, then enter your passcode and confirm the process. Wait for the erasure to complete, and then set up the iPhone as a new device.

We describe this process in more depth in separate articles: How to delete iPhone content & settings and How to set up a new iPhone.

Once you’ve completed setup you’ll need to reinstall the apps you want to use (although remember that if an app seems to be causing the problem you should try living without it for a while and see if things are better), reload digital media and get the settings back to the way you like them. It’s a pain, but hopefully you’ll only need to do it this once.

How to protect your iPhone from malware in future

Update iOS regularly. We recommend not jailbreaking, and if you do, you need to be especially careful about the software you install and the sources you download it from. And be careful of ‘social engineering’ attacks – don’t open links if you’re unsure where they come from.

You may also want to invest in antivirus for your iPhone. If you already have antivirus for your Mac, the chances are it has an app for iPhone included in your subscription. Our recommendation for iPhone would be Bitdefender.

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How to restore an iPhone or iPad from an iCloud or iTunes backup

When you move to a new iPhone you don’t want to spend ages setting everything up from scratch to get the apps, data and settings just the way you like them. That’s why restoring from a backup is so convenient: one quick tap, a bit of a wait, and you’re good to go.

The same is true if a phone malfunctions badly, or is bricked, lost or stolen. Knowing you can recover your photos, documents and data easily from an iCloud or iTunes backup is very reassuring.

Yes, backups are an essential part of the modern digital life, which is why we put together our How to back up an iPhone or iPad guide. But knowing how to restore an iDevice from that backup is just as important. Read on for our complete guide.

Have you got a recent backup?

First things first: make sure you’ve got a backup that you can restore from. Crucially, this backup needs to be recent enough to include the apps and data you want to keep, and/or sufficiently old that it happened before the technical problem you’re trying to fix.

To see iCloud backups, open Settings on your iPhone or iPad and tap your name/face at the top. Now tap iCloud > Manage Storage > Backups. Tap a backup to see when it happened.

To see backups on your Mac, open iTunes, and click iTunes in the top bar and select Preferences. Select the tab labelled Devices. The date and time of each backup is listed.

if you’re not sure you’ve got a sufficiently recent backup, and if you’re able to, play it safe by doing another backup of the old device right now.

Restore from an iCloud backup

Apple allows iDevice backups in both iCloud and iTunes, and we’re going to start with iCloud.

Here’s why we needed to be so sure that a usable backup exists. Before we load the backup on to the device, we need to wipe off the data that’s on there right now, a process that is irreversible. (If your phone has already been wiped, or if it’s brand new, then you can skip the following paragraph.)

Open the Settings app, and go to General > Reset > Erase All Content and Settings. Confirm this is what you want to do.

With the erasure complete, you can power up your iPhone. Once you’re past the Hello screen and the first few steps you will reach a page entitled Apps & Data.

How to restore an iPhone or iPad from backup: iCloud

The first option is Restore from iCloud Backup. Select this and you’ll be asked to log in with your Apple ID.

Doing so presents you with a list of your iCloud backups. Check the date to see which is the most recent and tap that one. The iPhone will now automatically restore the chosen iCloud backup.

The device will need to be connected to Wi-Fi throughout the process, and it can take a while, depending on how much data needs to be restored. It’s also likely that you’ll be asked to log in again so that any purchased items from the App store or iTunes can be downloaded.

When the core elements of the backup are finished you’ll be able to use the handset again, but you might notice that apps and other data continue to install in the background. This is perfectly normal.

Restore from an iTunes backup

iTunes might not be the essential part of the iPhone experience that it once was (hence our advice on the best iTunes alternatives) and when macOS Catalina launches in the autumn of 2019 it will be discontinued entirely, and the following functions will be looked after by Finder. But for now it remains a great way to create or restore a local backup.

To get your iPhone up to speed you’ll first need to plug it into a Mac or PC running iTunes. If you’ve not connected the device to this particular computer before, you’ll see the ‘Welcome to Your New iPhone’ page.

How to restore an iPhone or iPad from backup: iTunes

Click continue and then agree to sync your iPhone to iTunes. With this completed, you’ll be taken to the device summary page in iTunes, which includes various options for backing up and restoring your device.

How to restore an iPhone or iPad from backup: iTunes

In the Backups section you’ll see a button marked Restore Backup. Click this.

If Find My iPhone is switched on then you’ll see a message telling you that it needs to be turned off before you can proceed. To do this, open Settings on your iPhone and tap your name/face at the top of the screen, then tap iCloud. Scroll down until you see Find My iPhone, tap it, move the toggle switch to off, enter your password to confirm, then return to iTunes on your Mac or PC.

After clicking Restore Backup a popup should appear with the current iterations available. Select the one you want, then click the Restore button.

How to restore an iPhone or iPad from backup: iTunes

Now your iPhone will run through its automated restoration process. iTunes will let you know when the update is complete, then you can disconnect the iPhone and go about your business with your data safely on board.

This marketing news is not the copyright of Phones2U – please click here to see the original source of this article.