Device Guides
I can't install apps
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
Possible cause 4:
Your Apple ID hasn't been activated on your mobile phone: Activate your Apple ID on your mobile phone.
List view
1. Find "Sign in to your iPhone"
Tap Settings.
![](https://wmstatic.global.ssl.fastly.net/ml/6150824-f-d914e9e4-5aff-4689-9a15-1bc4b7bc1582.png?width=210&height=458)
Tap Sign in to your iPhone.
![](https://wmstatic.global.ssl.fastly.net/ml/6150824-f-a4c87aa8-b63b-45d0-a4cf-490c05d3e29a.png?width=210&height=458)
2. Activate Apple ID
If you don't have an Apple ID, tap Don't have an Apple ID? and follow the instructions on the screen to create an Apple ID.
![](https://wmstatic.global.ssl.fastly.net/ml/6150824-f-e492b0da-7a0d-4bd7-87c8-37e732027303.png?width=210&height=458)
Tap Email or Phone Number and key in the username for your Apple ID.
![](https://wmstatic.global.ssl.fastly.net/ml/6150824-f-e492b0da-7a0d-4bd7-87c8-37e732027303.png?width=210&height=458)
Tap continue.
![](https://wmstatic.global.ssl.fastly.net/ml/6150824-f-31354843-9477-4fb2-8f43-cba8b90ee6bd.png?width=210&height=458)
Tap Password and key in the password for your Apple ID.
![](https://wmstatic.global.ssl.fastly.net/ml/6150824-f-f8490564-e7e2-4537-80be-5ceb58b2c3b5.png?width=210&height=458)
Tap Continue.
![](https://wmstatic.global.ssl.fastly.net/ml/6150824-f-d17ea098-f1f5-4ad3-91cd-67105c931da6.png?width=210&height=458)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](https://wmstatic.global.ssl.fastly.net/ml/6150824-f-39df7dd5-4159-42e9-b9f1-15a4bf1dbf28.png?width=210&height=458)