Potential solutions: Occasionally, i OS 7 fails to identify the correct orientation of your device and produces a keyboard that is only partially on the screen, rendering it useless.
It is a common occurrence after using the camera from the lock screen.
You’re going to want to connect to i Tunes and try DFU (Device Firmware Upgrade) mode.
For some people it’s failing to send with an error message, for others email appears to send, but never arrives in the recipient’s inbox.
This seems to occur intermittently and it can potentially happen on various types of email account. Workarounds: Do you find that your contacts sometimes disappear?
For a number of users i Message was not sending messages correctly, some people found that it wouldn’t activate.
There were also complaints about Face Time calls failing.
Every time I have to "Reset all settings" in the i Pad and then only the apps would update.
My i Pad Apps won't update both manually and automatically.
Workarounds: If you’ve run into problems with making or receiving calls after updating to i OS 7 then you are not alone.
You might find that people are trying to call you, but your i Phone is not ringing, or perhaps you are unable to make a call.
Some people report calls apparently connecting, but the line seems to be dead and they can’t hear the other person.