Smartphone Questions? Ask A Smartphone Technician for Answers
Sorry to hear about your issue:(
It means your iPhone is in recovery mode and needs to be restored.
Open iTunes in the computer and connect the iPhone to the computer. Now, on the iPhone, press and hold the power button and the home button together for 30 sec. your computer will now show a message that it has detected an iPhone in recovery mode and needs to be restored.
Restore the phone. Let me know if you find any difficulty.