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Home >> Resource >> iOS 11 Problems and Fixes >> Cannot Activate iPhone after iOS 11 Update

Top 6 Ways to Fix Cannot Activate iPhone after iOS 11 Update

July. 5, 2017 03:22 pm / Posted by Jenefey Aaron to Cleanup iPhone
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Try to activate your iPhone after iOS 11 update but unfortunately get the the activation error “Cannot activate your iPhone now”? Don’t worry, you are not alone! There are various reasons that may cause the activation error on iPhone. This post will show you the common activation errors, why iPhone fails activation after iOS 11 update and how to fix iPhone activation errors after iOS 11 update/reset.

Part 1: Common iPhone Activation Errors after iOS Update or Reset

Here are some common iPhone activation errors that you may encounter when you try to activate your iPhone after software update/reset.

1. Your iPhone could not be activated because the activation server is temporarily unavailable.

activation server is unavailable

2.  Activation request could not be completed – contact customer care.

cannot activate iphone after ios 11 update

3. Your iPhone could not be activated because the activation server cannot be reached.

cannot activate iphone after ios 11 update

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.

cannot activate iphone after ios 11 update

5. We are unable to continue with your activation at this time.

cannot activate iphone after ios 11 update

6. Your request couldn’t be processed error.

fix iphone activation error

Part 2: Why 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 after 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 after iOS 11 Update

Below are some efficient ways to fix iOS 11 activation error and get your iPhone activated smoothly.

1. 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.

2. Force Restart Your Device
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.

exit

3. Check Your Network Connection
If your network is blocking gs.apple.com on a couple of ports, it will prevent you activating your iPhone successfully. Get connected to a different Wi-Fi source than the one you are using now. Or if you're using a cellular data connection, try connecting to a reliable Wi-Fi network instead. 

4. 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.

5. Reactivate Your 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.

reactivate iphone with itunes

6. Use Recovery Mode to Restore Your iPhone
All methods above fails to fix “Cannot Activate iPhone” for you?  Now you may consider to restore your iPhone using recovery mode.

Firstly, put your iPhone into recovery mode. Here we recommend a free program Free ReiBoot to help you enter recovery mode with only 1 click.

Note: Besides entering recovery mode, ReiBoot can also help you fix iPhone stuck on recovery mode, DFU mode, Apple logo, black screen, white screen, endless reboot, etc. during/after iOS 11 update.
can't activate iPhoneafter installing iOS 11

After entering recovery mode, run iTunes and iTunes will detect your device in recovery mode and require it to be updated or restored. Now, restore your iPhone, iPad or iPod with iTunes.

can't activate iPad after iOS 11 update

That’s all for how to fix can't activate iPhone 7/7Plus/6s/6/5s/5 after installing iOS 11. Solutions above also apply to fix can't activate iPad after iOS 11 update. If you have any other problems, please leave a message at the comment area.

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