Iphone Screen Shows Apple Logo Then Turns Black. How to fix black scrren after shows apple logo on iphone 6. While your iPhone 7 is connected force restart it.
Press and hold both the SleepWake and Home button for at least 10 seconds and dont release when you see the Apple logo. You can find the steps in Way 1 in this post Step 5. Then force restarts your iPhone.
You can try plugging in the charger and waiting for a while when your iPhone screen goes black and then again try switching on your iPhone.
Simultaneously press and hold the Home button and the power button SleepWake button until the screen goes black and the Apple logo appears again. Connect the sync cable but do not plug it in yet. Once this is done force restart your phone by pressing and holding both the SleepWake and Home buttons at the same time for at least 10 seconds until the Apple logo appears. Press and hold both the SleepWake and Home button for at least 10 seconds and dont release when you see the Apple logo.