My phone IPhone 4s suddenly blackout, no response even when connected to power or my mac book. My itune prompted a window saying "invalid response from my phone"
I don't know what had happen, just after a short nap, my IPHone 4s blackout and can't even on it. Even trying to connect to the power supply, even still, my mac itunes indicated that it received invalid response form my phone.
What had happened?
iPhone 4S
