Why does my iphone4 automatically close the current screen whenever some text appears in a text message or letter?

The update displayed in GM is a message prompting you to update version 5. 1 It doesn't matter if you don't update. If you want to get rid of online tutorials.

If the phone sends a text message to quit, it's your phone's problem. My white 4 4S has no similar problems as you said.

If the phone is unlocked, it is recommended to brush it again or upgrade it. It is estimated that this problem can be solved, but if you have escaped from prison.

Can't escape from prison after upgrading ~

If you want to watch movies or listen to songs, you can download itunes software on your computer, apply for a free account, and download it in the Apple Store app store of your mobile phone.

The photos in the mobile phone can be copied. After the mobile phone is connected to the computer, there will be an IPHONE device in my computer.