When purchasing a phone, you can check its screen for dead pixels or bright spots to see if there are any defects?
Here's how to verify the screen of Huawei Y7 Prime:
Step 1: Download the Antutu app, open it, and select 'Screen test'.

Select 'Screen test'.
Step 2: Choose 'LCD Test'.

Choose 'LCD Test'.
Step 3: Touch the screen multiple times to switch between various colors to check for any abnormalities.

Touch the screen multiple times.
Step 4: Finish.

Finish.
Your setup process is now complete. Best wishes for your success.
