The problem might simply be your screen brightness. So if you can interact with Siri, try asking her to turn up the screen brightness to the maximum. use siri to turn screen brightness up on iPhone ask Siri to turn up your screen’s brightness for you! See if that makes a difference. If not, keep reading! Use your device and see if it performs normally. Perform a hard restart On an iPad with no Home Button and iPhones 8 or later: Press and quickly release the Volume Up button. Press and quickly release the Volume Down button. Then press and hold the Side/Top/Power button until the device restarts Forced Restart Not Working on iPhone 8 or iPhone X? On an iPhone 7 or iPhone 7 Plus: Press and hold both the Side and Volume Down buttons for at least 10 seconds, until you see the Apple logo Forced Restart Not Working on iPhone 8 or iPhone X? On an iPhone 6s and earlier, iPad with a Home Button, or iPod touch: Press and hold both the Home and the Top (or Side) buttons for at least 10 seconds, until you see the...