How to Fix Can’t Activate iPhone/iPad Problem After iOS 13/12.4/12/11 Update

Can’t activate iPhone, iPad, iPod touch when updating to iOS 13/12.4/12/11 Update? This guide list several solutions to help you fix this annoying problem. And we will also tell you how to activate iPhone via iTunes or without SIM card.

By iMobie | Posted on: Sep. 19, 2019, Last Updated: Sep. 19, 2019

Updating to the latest iOS 13 or iOS 12.4 version is great, but you may meet some problems during the process, like unable to activate iPad. Actually, this is a quite common issue and there are a couple of solutions to fix it. At the same time, we will also show you how to activate iPhone via iTunes or without SIM card.

Fix Can’t Activate iPhone/iPad/iPod touch After iOS 13/12.4/12/11 Update

Solution 1: Wait and Retry

If you see “Cannot activate because the activation server is temporarily not available”, then you can wait and try again later. There might be too many users waiting for activation, and Apple’s activation server has shut down for the high demand.

Solution 2: Check Your Network Connection

Make sure the network connection is stable. You can switch from cellular to WLAN and vice versa. Generally, the Wi-Fi network is more reliable. And you can also connect your iPhone to a different Wi-Fi to have a try.

Solution 3: Reset Your iDevice

This simple method can fix many iPhone/iPad/iPod related problems and you can also try it to fix activation issue. Press and hold the on/off button and Home button until the Apple logo appears.

Solution 4: Release the Activation Lock in iCloud

Step 1. Turn off your device to make it offline.

Step 2. Go to and sign in with your Apple ID.

Step 3. Open Find My iPhone > Confirm your password > Select All Devices > Select the device that can’t be activated > Choose Remove from Account.

Step 4. Turn on your device and activate it again.

Solution 5: Restore Your Device via iTunes

If all the above methods could not activate iPad, then you can restore your iPad through iTunes. You can follow this guide to make it: How to Restore iPhone iPad via iTunes >

How to Activate iPhone via iTunes/without SIM Card

Activate iPhone via iTunes

Step 1. Download and install the latest version of iTunes > Open it.

Step 2. Connect your iPhone/iPad to computer > Select your device and you should see Activate screen on iTunes.

Step 3. Input your Apple ID and password > Click on Continue.

Activate iPhone without SIM Card

Step 1. Turn on your iPhone > Click on the Home button.

Step 2. Tap on Emergency call and make a call to 112/999.

Step 3. Press the power button immediately.

Step 4. Tap on cancel on the pop-up window.

With the different issues happening in iOS 13 and iOS 12.4, you may get to know how to solve the iOS 13 common problems. Apple has released iOS 13 recently, considering the unstable features, you can downgrade your iPhone to avoid some unfixed problems. Here, in this guide, the fixes mentioned above may help you solve can’t activate iPhone/iPad/iPod touch problem successfully. If you have other solutions to fix it, please share it in the Comment Section.

After updating to iOS 13/12.4, or earlier iOS versions, if you find your iPhone or iPad perform more and more slowly, then you can go to Speed Up Slow iPhone/iPad after Updating to iOS 13/12/11/10 to get some basic tips.


Member of iMobie team, an Apple fan as well as an anime lover. Like to share solutions on iOS and Android related problems.