Hi, i wanna' know why my iphone4s suddenly turn to black screen.

[iMore Question]

Hi, i wanna' know why my iphone4s suddenly turn to black screen, when i change the language to (English US) i am having hard time to use it. Please i need help

 

[pk987]

It generally turn to black screen for a while whenever changing a language. Screen will come up again after some time (within a minute)


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