There are two to three fixes for iPhone 7 or iPhone 7 Plus Black Screen of Death issue. Check the history, by you and drops by other your iPhone 7 and iPhone 7 Plus. Be patient if you are getting a black screen for the longest time after update iOS. Showing iPhone 7 Black screen Spinning wheel.
Most of the time people can do it yourself if a hardware problem isn’t an iPhone 7 or iPhone 7 Plus.
iPhone 7 Plus Black Screen and Won’t turn on: Free Tips to Troubleshoot
Free up storage: Insufficient space
Now Manage storage from iPhone 7 and iPhone 7 Plus is so easy. We can erase and Delete any types of content from iPhone Settings.
Free Up Space on iPhone 7 and 7 Plus from Photos, Video, Songs, Unused Apps
iOS 11: Go to the Settings > General > Manage Storage > Use Offload apps/Delete app and Data/Delete Photo and other media files.
iOS 10: Prior to iOS 11, Delete Documents and Data, Remove Photos and Video, Delete Safari Cache (Settings > Safari > Advanced > Website Data) or (Settings > Safari > Clear All History and Website Data).
Turn off iCloud Sync (Settings > iCloud > Photos Sync > My Photo Stream)
Hard Reset or Reboot
Bypass stuck on black screen problem from a fresh restart
To Hard restart or Reset: Press and Hold Sleep/Wake + Home button until you see the apple logo on screen, To turn on Again use Side button.
Quickly fix the important bug by update iOS
Go to the Settings app > General > Software Update (Check for Update and Install New iOS)
iPhone is not enough to charge
Use official apple Charger and Connect your iPhone to a power source on a compatible socket. A loose connection disconnect power source and you are trying to turn on. Your iPhone 7 and iPhone 7 Plus screen show only battery on the screen if charging is on.
Restore to Factory settings
Re-install Latest Version of iOS and Restore
Backup iPhone first by connecting iPhone 7/7 Plus to the latest version of iTunes on Mac or PC.
Go to Backups section > Tap on Backup iPhone.
Once back up to iTunes complete. Reset the Device, Go to the Settings > General > Reset > Reset All Content and Settings.
Again Connect your iPhone to iTunes > Restore device from latest backup and Follow to restore data.
Ready to use your new iPhone 7, 7 Plus.
No, any tips worked, Contact Apple Support center and ask for resolutions. Might be there are internet hardware damages or loose connection tend to fix your Black Screen iPhone 7 or iPhone 7 Plus again and again.
Hope you get total repair and fix solution on iPhone 7 Black Screen in different conditions. iPhone 7 Plus users also follow the same steps above.