IPHONE ERROR!! HELP PLEASE! URGENT

Hi! Try to reset your device. This won't delete your data stored on this device.

• Press and hold the Sleep/Wake button
• Press and hold on the Home button
• Keep holding both buttons until the display turns off and back on with Apple logo on it.

Alternatively, you may go to Settings - General - Reset - Reset All Settingshttps://support.apple.com/en-us/HT201559If this does not help, restore your device to factory settings. Note that this will erase the data from your device.Take a look this Apple Support article: Use iTunes to restore your iPhone, iPad, or iPod to factory settings - Apple Support.
As a final step, try the DFU mode:

• Connect your device to your computer using a USB cable.
• Turn off the device.
• Press and hold the Power button for 3 seconds
• Press the Home button while holding the Power button and hold both for 10 seconds.
• Release the Power button, but KEEP HOLDING the Home button.
• After about 15 seconds, iTunes will tell you it has detected a device in Recovery Mode.
• Restore your device

More info here: https://www.theiphonewiki.com/wiki/DFU_Mode

If these steps don't work, contact Apple and ask for help.

https://www.apple.com/support/iphone/contact

Double tap with THREE fingers on the screen.

If you do not succeed, do the "force restart" by pressing and holding the Power and Home button at the same time, let go when you see the white apple logo.

This is a setting in Settings->General->Accessability->Zoom.

Note: turn it off; when already off, turn it on, then off.