If you want to fix the screen problem in the quickest way possible, you should definitely use Joyoshare UltFix iOS System Recovery. It is a powerful iOS repairing tool designed to fix 30+ issues on almost all models of iPhone (guarantee to fix 5 series to 11 series). To be honest, if you decide to use Joyoshare UltFix, you don't need to read other guides anymore, because this program will make sure the iPhone screen problems disappear.
Here are more detailed features about it. While normal iOS repairing tool will erase all the personal data on your iPhone, this program ensures that your data remains intact after the repairing process completes. It does use the recovery mode to repair the device, but it will put your iPhone into the recovery mode without requiring you to do this job manually. This service is totally free of charge, which means that you can use this software as a free recovery mode launcher for your iPhone even if you haven't got the paid-for version.
Key Features of Joyoshare UltFix iOS System Recovery:
Repair 30+ iOS problems on iPhone
Compatible with almost all iPhones and iOS 13
Resolve the iOS problems without any data loss
One-click to enter into the recovery mode without any charge