i have a screen flickering issue

Hey arjunsaroha,

It looks like you checked out the article on what to do if your screen isn't working on your iPhone. Just to confirm, did you followed all the steps from the article? If yes, let's also make sure that your device is updated to the latest software: Update your iPhone or iPad

Update your iPhone or iPad wirelessly

1. Back up your device using iCloud or your computer.

2. Plug your device into power and connect to the internet with Wi-Fi.

3. Go to Settings > General, then tap Software Update.

4. If you see more than one software update option available, choose the one that you want to install.

5. Tap Install Now. If you see Download and Install instead, tap it to download the update, enter your passcode, then tap Install Now. If you don't know your passcode, learn what to do.

If the issue persists, we highly recommend that you reach out to Apple Support team next: Apple Support

Cheers!