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Activation Error When iOS 11 Update. How to Fix?

The new iOS comes with a lot of cool features which attracts users to update to the latest operating system. Part of people may come up with some error during the upgrade process. iPhone activation error is one of the common one. In this article, we will list some common iPhone activation errors that you may encounter when you try to update to iOS 11 and give you some possible solutions as well.

Part 1: Common iPhone Activation Errors when iOS 11 Update

1.iPhone could not be activated because the activation server is temporarily unavailable.
2.Activation request could not be completed- contact customer care.
3.iPhone could not be activated because the activation server cannot be reached.
4.SIM not supported. The SIM card that you currently have installed in this iPhone is from a carrier that is not supported under the activation server.
5.We are unable to continue with your activation at this time.
6.Your request couldn’t be processed error.

Part 2: Reasons that iPhone Fails Activation after iOS 11 Update

Before moving onto the solutions, you need to figure out why you get the “Cannot activate your iPhone now” error when updating to iOS 11.

1. Apple server is busy. Apple server may down due to millions of users activating their iPhone at the same time.

2. The carrier you are on don’t allowed you to unlock that iPhone.

3. Network or Wi-Fi connection doesn't work.

4. The iPhone is not recognized and cannot be activated for service.

5.iTunes was unable to verify your device.

Part 3: How to Fix Cannot Activate iPhone when iOS 11 Update

Below we will show you some solutions to fix iOS 11 activation error on iPhone. Before you’re going any futher, there are things you should probably check out in the first place.

1. Make sure that network condition is good. Whether you're connected to Wi-Fi or using cellular data, please ensure that it's workable.

2.Make a full backup for your iPhone. In case of data loss, I'd recommend you to back up your iPhone via iTunes or iCloud at first before you drill down through the methods.

Wait and Retry

If your iPhone could not be activated due to activation server is temporarily unavailable or cannot be reached, it's better to wait. Chances are that the servers at Apple’s end are down or busy and isn’t processing the request. You should wait for a few minutes before trying again.

Force Restart Your iPhone

This is the simplest way to solve iOS issues caused by software crashes, software bugs or software conflicts. Just press and hold the Sleep/wake button and the Home button (Volume Down button on iPhone 7/7 Plus) at the same time. Keep holding the buttons at least 10 seconds and release the buttons when the Apple logo appears.
Unlock/lock SIM Status

Getting the activation errors that saying SIM card is unsupported? If you are trying to activate a different carrier on a locked iPhone or your iPhone is recently purchased from your carrier, it will not get activated until it is unlocked by the carrier. In this case, contact your carrier and ask them to unlock your iPhone and SIM card.

Reactive iPhone via iTunes

If you still failed activate your iPhone after iOS 11 upgrade, try to reactivate through iTunes in following steps.

Reboot your iPhone> Connect your phone with iTunes> Select your device and you can see “Activate your iPhone” on iTunes> Enter your Apple ID and password> Click on Continue to activate your iPhone.
Factory Reset iPhone

If you still fail to re-activate your iPhone, you might need to consider resetting it to factory settings. To reset iPhone. Please launch "Settings" app and swipe to "General" option. Then, swipe down to the bottom and select "Reset"> "Erase All Content and Settings". It'll take quite long to complete the reset. Please make sure your iPhone is fully juiced up.

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