Screen Brightness Dims Automatically While Playing PUBG on iPhone [Fixed]

PUBG is the most loved and popular battleground game that is played online with other large numbers of players. This game has a lot of excellent features and graphics which makes it the most played game.

We have received several complaints from many iPhone users that the iPhone screen brightness becomes dim automatically while playing the PUBG game on their iPhones.

After deeply analyzing this issue, we have found some points which might be responsible for causing this problem. They can be because of the enabling True Tone, Auto Brightness, or Attention-Awareness option. Selecting the wrong theme appearance on the iPhone or reducing the brightness settings within the PUBG game can also be the factors affecting the screen brightness.

In this post, we are going to discuss some excellent troubleshooting tips that might resolve this issue effectively.

Initial Tips to Try

  1. Never play a PUBG game on your iPhone while the device is charging.
  2. Try not to play the PUBG game soon after the iPhone is removed from charging because the iPhone device will be hot.
  3. Follow all the measures to cool down the iPhone. When the iPhone is warm, it will affect its screen brightness and you will feel the screen gets dim.
  4. For better ventilation, remove the iPhone case/cover for some time, and then once it gets cooled down, try playing the game.


Fix 1 – Turn Off the True Tone option

Step 1: Go to the Settings app first and select the Display & Brightness option by clicking on it.


Display Brightness 11zon


Step 2: Scroll down and disable the True Tone option by tapping on its toggle button.


Disable True Tone 11zon


Fix 2 – Disable the Auto-Brightness Feature on the iPhone

Step 1: Open the Settings page and click on Accessibility.


Accessibility 11zon


Step 2: Select the Display & Text Size option by clicking on it.


Display TExt Size 11zon


Step 3: At the bottom of the page, you will find the Auto-Brightness option which you have to disable by toggling its button to grey color as shown below.


disable Auto Brightness 11zon


Fix 3 – Change the Appearance Theme of the iPhone

Step 1: Launch the Settings page and tap on Display & Brightness.


Display Brightness 11zon


Step 2: After it opens, click on the Automatic option’s toggle button to disable it.

Step 3: Now select the Light option under Appearance and check whether the issue got fixed.


Diable Automatic and select light 11zon


Step 4: If not, try selecting the Dark option.


Select Dark Theme 11zon



Fix 4 – Turn Off the Attention-Awareness option

Step 1: Click on the settings icon from the home screen.

Step 2: Go to the Accessibility option from the Settings menu list as shown below.


Accessibility 11zon


Step 3: Select the Face ID & Attention option from the Accessibility list.


Face ID Attention 11zon


Step 4: Now turn off the Attention-Aware Features option by clicking on the toggle button as shown.


Attention aware features disable 11zon


Fix 5 – Enable the Low Power Mode on the iPhone

1 – Go to Settings app on your iPhone

2 – Now, Go to Battery

3 – Now, Turn off Low Power Mode

Fix 6 – Change the Brightness level from the PUBG app

Step 1: For this, you need to launch the PUBG game app on your iPhone.

Step 2: After you have successfully launched the game, click on the Up-Arrow icon at the bottom right-end corner.

Step 3: This opens a side panel on the right side of the PUBG game.

Step 4: Select the Settings option from the side panel.

Step 5: Once it opens, tap on the Graphics & Audio option from the settings right side panel.

Step 6: It opens the Graphics & Audio page on the left side.

Step 7: Now scroll down this page to its bottom and there you can see the Brightness option which you can change accordingly.

NOTE – We recommend our users try changing it to 120% for better brightness.