diff --git a/Build/iOS/WebRTC.framework/Headers/RTCFieldTrials.h b/Build/iOS/WebRTC.framework/Headers/RTCFieldTrials.h
index 7e7c1c448..10f84b302 100644
--- a/Build/iOS/WebRTC.framework/Headers/RTCFieldTrials.h
+++ b/Build/iOS/WebRTC.framework/Headers/RTCFieldTrials.h
@@ -14,7 +14,7 @@
 
 typedef NS_OPTIONS(NSUInteger, RTCFieldTrialOptions) {
   RTCFieldTrialOptionsNone = 0,
-  RTCFieldTrialOptionsSendSideBwe = 1 << 0,
+  RTCFieldTrialOptionsImprovedBitrateEstimate = 1 << 0,
 };
 
 /** Must be called before any other call into WebRTC. See:
diff --git a/Build/iOS/WebRTC.framework/Headers/RTCRtpCodecParameters.h b/Build/iOS/WebRTC.framework/Headers/RTCRtpCodecParameters.h
index fef842980..a3156bb9c 100644
--- a/Build/iOS/WebRTC.framework/Headers/RTCRtpCodecParameters.h
+++ b/Build/iOS/WebRTC.framework/Headers/RTCRtpCodecParameters.h
@@ -17,6 +17,7 @@ NS_ASSUME_NONNULL_BEGIN
 RTC_EXTERN const NSString * const kRTCRtxCodecMimeType;
 RTC_EXTERN const NSString * const kRTCRedCodecMimeType;
 RTC_EXTERN const NSString * const kRTCUlpfecCodecMimeType;
+RTC_EXTERN const NSString * const kRTCFlexfecCodecMimeType;
 RTC_EXTERN const NSString * const kRTCOpusCodecMimeType;
 RTC_EXTERN const NSString * const kRTCIsacCodecMimeType;
 RTC_EXTERN const NSString * const kRTCL16CodecMimeType;
diff --git a/Build/iOS/WebRTC.framework/Headers/RTCVideoFrame.h b/Build/iOS/WebRTC.framework/Headers/RTCVideoFrame.h
index ffbbbc690..bfad60889 100644
--- a/Build/iOS/WebRTC.framework/Headers/RTCVideoFrame.h
+++ b/Build/iOS/WebRTC.framework/Headers/RTCVideoFrame.h
@@ -15,7 +15,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-// RTCVideoFrame is an ObjectiveC version of cricket::VideoFrame.
+// RTCVideoFrame is an ObjectiveC version of webrtc::VideoFrame.
 RTC_EXPORT
 @interface RTCVideoFrame : NSObject
 
diff --git a/Build/iOS/WebRTC.framework/Info.plist b/Build/iOS/WebRTC.framework/Info.plist
index 66b53a01a..685e90029 100644
Binary files a/Build/iOS/WebRTC.framework/Info.plist and b/Build/iOS/WebRTC.framework/Info.plist differ
diff --git a/Build/iOS/WebRTC.framework/WebRTC b/Build/iOS/WebRTC.framework/WebRTC
index abbb782a6..b0ba6cccd 100755
Binary files a/Build/iOS/WebRTC.framework/WebRTC and b/Build/iOS/WebRTC.framework/WebRTC differ