--- a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/HardwareCodecCapabilityUtils.java
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/HardwareCodecCapabilityUtils.java
@@ -40,16 +40,17 @@ public final class HardwareCodecCapabili
     COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m
   };
   private static final String[] adaptivePlaybackBlacklist =
   {
     "GT-I9300",         // S3 (I9300 / I9300I)
     "SCH-I535",         // S3
     "SGH-M919",         // S4
     "GT-I9505",         // S4
+    "GT-I9515",         // S4
     "SGH-I337",         // S4
     "SAMSUNG-SGH-I337"  // S4
   };
 
   @WrapForJNI
   public static boolean findDecoderCodecInfoForMimeType(String aMimeType) {
     int numCodecs = 0;
     try {