Hi there! I understand that when you're using the DramaBox app on your iPhone running iOS 18.5, the screen goes dark and you're unable to see the text or the drama content. Let's try to get this sorted out for you.

To begin, could you tell me if this happens right from the moment you open the app, or does it occur during playback of a particular video or scene? Also, is it just the text that is invisible, or is the entire screen black? Any extra details will help me pinpoint the issue more accurately.

In the meantime, here is a step-by-step approach to troubleshoot this screen visibility problem:

1. Close and Restart the App:
Double-tap the Home button or swipe up to open the app switcher, then swipe up on DramaBox to close it fully. Reopen it to see if the issue persists.

2. Check Dark Mode Settings:
Sometimes, apps integrate with your iOS device’s Dark Mode, which can cause visibility problems if the text color blends into the background. On your iPhone, go to Settings > Display & Brightness and try switching between Light and Dark modes to see if this affects text visibility in DramaBox.

3. Update the App:
Open the App Store, tap your profile icon at the top right, and check if there's an update available for DramaBox. Installing the latest version may resolve bugs causing screen display issues.

4. Restart Your iPhone:
A simple reboot can resolve many display quirks. Press and hold the power button and volume up button simultaneously, then slide to power off. Turn it back on after a minute.

5. Check Accessibility Settings:
Sometimes, settings like Zoom or Color Filters within Settings > Accessibility can interfere with display. Please verify these settings are turned off or set to your preference.

6. Reinstall the DramaBox App:
If none of the above works, delete the app by pressing and holding its icon, tapping “Remove App” then “Delete App.” Reinstall it from the App Store to reset app configurations.

If after trying these steps you still face dark screen or invisible text problems, it could be a bug in the app version or an incompatibility with iOS 18.5. If so, I am happy to check further or escalate this to the DramaBox technical team.

Just let me know how these steps go or any further details you notice!

Are you satisfied with the solution I provided so far?