Ah, the dreaded "White Screen of Death" on the iPhone—definitely not something you want to see, but don’t panic just yet. It usually happens when there’s a software issue or sometimes even a hardware problem, but there are a few things you can try to bring your phone back to life without too much stress.
First off, the classic "turn it off and on again" applies here, too. Sometimes a simple force restart is all your iPhone needs to get past that white screen. The method for doing this depends on your iPhone model, but for most newer ones, you quickly press and release the Volume Up button, then do the same for Volume Down, and finally, hold down the Side button until you see the Apple logo pop up. It can take a few seconds, so be patient while holding that button. If you’ve got an older iPhone with a Home button, you just hold the Home and Power buttons together until the Apple logo appears.
If the force restart doesn’t do the trick, your next step could be recovery mode. You’ll need to connect your iPhone to a computer for this one. Once it's connected, put your iPhone into recovery mode by following the same steps for the force restart but keep holding the buttons until the recovery screen shows up (it’ll say Connect to iTunes or Find My on your Mac). From there, you can use Finder or iTunes on your computer to update or restore the software. Hopefully, updating will fix the issue without wiping everything, but if not, restoring might be necessary.
If you have problem persist after trying these solution, you can follow for more details assistance below.
https://thegeekpage.com/iphone-white-screen-of-death/
