diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 7ddda64c83..4c0354fad7 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -94,6 +94,8 @@
 * Fix potential NPE when removing media sources from a
   DynamicConcatenatingMediaSource
   ([#3796](https://github.com/google/ExoPlayer/issues/3796)).
+* Check `sys.display-size` on Philips ATVs
+  ([#3807](https://github.com/google/ExoPlayer/issues/3807)).
 
 ### 2.6.1 ###
 
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/util/Util.java b/library/core/src/main/java/com/google/android/exoplayer2/util/Util.java
index f4637ebde6..cd643f2df4 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/util/Util.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/util/Util.java
@@ -1334,7 +1334,11 @@ public final class Util {
       if ("Sony".equals(Util.MANUFACTURER) && Util.MODEL.startsWith("BRAVIA")
           && context.getPackageManager().hasSystemFeature("com.sony.dtv.hardware.panel.qfhd")) {
         return new Point(3840, 2160);
-      } else if ("NVIDIA".equals(Util.MANUFACTURER) && Util.MODEL.contains("SHIELD")) {
+      } else if (("NVIDIA".equals(Util.MANUFACTURER) && Util.MODEL.contains("SHIELD"))
+          || ("philips".equals(Util.toLowerInvariant(Util.MANUFACTURER))
+              && (Util.MODEL.startsWith("QM1")
+                  || Util.MODEL.equals("QV151E")
+                  || Util.MODEL.equals("TPM171E")))) {
         // Attempt to read sys.display-size.
         String sysDisplaySize = null;
         try {