Apple iPhone 4S




Getting started

I can't turn on my mobile phone
I can't start my mobile phone
I can't activate my mobile phone

Basic functions

My mobile phone doesn't respond
My mobile phone's memory is full
My mobile phone is slow
My mobile phone's battery life is short
No ringtone is heard on incoming calls
No message tone is heard on incoming messages

Calls and voicemail

I can't receive messages on my voicemail
I can't listen to my voice messages
I can't make video calls using FaceTime
I receive the same call on my mobile phone and on another device
I can't make voice calls

I can't receive voice calls



Before you start this troubleshooting guide you need to check one important thing:

Can you make a voice call?

Yes No

It's important to find out if you can make a call. If you can't make a call, you need to solve this problem first. When the problem is solved, you will most likely also be able to receive calls.

Messaging

I can't send and receive SMS
I can't send and receive MMS
I can't send and receive email
I can't send and receive iMessages

Apps and media

I can't install apps
I can't use of one my apps
I can't take pictures using the camera
I can't play music
I can't use GPS navigation

Connectivity

I can't use my mobile phone's internet connection
I can't use Wi-Fi
I can't use tethering
I can't use my mobile phone as a personal Hotspot
I can't connect to another Bluetooth device
Another Bluetooth device can't connect to my mobile phone
My mobile phone uses a large amount of mobile data