diff --git a/.gn b/.gn
index 01fe1b87b1..d6f84df080 100644
--- a/.gn
+++ b/.gn
@@ -44,7 +44,7 @@ default_args = {
 
   mac_sdk_min = "10.12"
 
-  ios_deployment_target = "10.0"
+  ios_deployment_target = "12.0"
 
   # The SDK API level, in contrast, is set by build/android/AndroidManifest.xml.
   android32_ndk_api_level = 16
diff --git a/examples/objc/AppRTCMobile/ARDSettingsModel.m b/examples/objc/AppRTCMobile/ARDSettingsModel.m
index 8b04c12f47..c628f0fde5 100644
--- a/examples/objc/AppRTCMobile/ARDSettingsModel.m
+++ b/examples/objc/AppRTCMobile/ARDSettingsModel.m
@@ -77,16 +77,30 @@ NS_ASSUME_NONNULL_BEGIN
 - (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)currentVideoCodecSettingFromStore {
   [self registerStoreDefaults];
   NSData *codecData = [[self settingsStore] videoCodec];
-  return [NSKeyedUnarchiver unarchiveObjectWithData:codecData];
+  Class expectedClass = [RTC_OBJC_TYPE(RTCVideoCodecInfo) class];
+  NSError *error;
+  RTC_OBJC_TYPE(RTCVideoCodecInfo) *videoCodecSetting =
+      [NSKeyedUnarchiver unarchivedObjectOfClass:expectedClass fromData:codecData error:&error];
+  if (!error) {
+    return videoCodecSetting;
+  }
+  return nil;
 }
 
 - (BOOL)storeVideoCodecSetting:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)videoCodec {
   if (![[self availableVideoCodecs] containsObject:videoCodec]) {
     return NO;
   }
-  NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:videoCodec];
-  [[self settingsStore] setVideoCodec:codecData];
-  return YES;
+
+  NSError *error;
+  NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:videoCodec
+                                            requiringSecureCoding:NO
+                                                            error:&error];
+  if (!error) {
+    [[self settingsStore] setVideoCodec:codecData];
+    return YES;
+  }
+  return NO;
 }
 
 - (nullable NSNumber *)currentMaxBitrateSettingFromStore {
@@ -165,14 +179,18 @@ NS_ASSUME_NONNULL_BEGIN
 }
 
 - (void)registerStoreDefaults {
-  NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:[self defaultVideoCodecSetting]];
-  [ARDSettingsStore setDefaultsForVideoResolution:[self defaultVideoResolutionSetting]
-                                       videoCodec:codecData
-                                          bitrate:nil
-                                        audioOnly:NO
-                                    createAecDump:NO
-                             useManualAudioConfig:YES];
+  NSError *error;
+  NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:[self defaultVideoCodecSetting]
+                                            requiringSecureCoding:NO
+                                                            error:&error];
+  if (!error) {
+    [ARDSettingsStore setDefaultsForVideoResolution:[self defaultVideoResolutionSetting]
+                                         videoCodec:codecData
+                                            bitrate:nil
+                                          audioOnly:NO
+                                      createAecDump:NO
+                               useManualAudioConfig:YES];
+  }
 }
-
 @end
 NS_ASSUME_NONNULL_END
diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index e7d186aa4b..79b483df14 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -462,6 +462,7 @@ if (is_ios || is_mac) {
           "OpenGL.framework",
         ]
       }
+      defines = [ "GLES_SILENCE_DEPRECATION" ]
 
       deps = [
         ":base_objc",
@@ -499,6 +500,7 @@ if (is_ios || is_mac) {
           "objc/components/renderer/opengl/RTCEAGLVideoView.h",
           "objc/components/renderer/opengl/RTCEAGLVideoView.m",
         ]
+        defines = [ "GLES_SILENCE_DEPRECATION" ]
       }
       if (is_mac) {
         sources = [
diff --git a/sdk/objc/unittests/RTCAudioSessionTest.mm b/sdk/objc/unittests/RTCAudioSessionTest.mm
index 805f601bdd..e2c26634b0 100644
--- a/sdk/objc/unittests/RTCAudioSessionTest.mm
+++ b/sdk/objc/unittests/RTCAudioSessionTest.mm
@@ -230,7 +230,7 @@ OCMLocation *OCMMakeLocation(id testCase, const char *fileCString, int line){
     __autoreleasing NSError **retError;
     [invocation getArgument:&retError atIndex:4];
     *retError = [NSError errorWithDomain:@"AVAudioSession"
-                                    code:AVAudioSessionErrorInsufficientPriority
+                                    code:AVAudioSessionErrorCodeCannotInterruptOthers
                                 userInfo:nil];
     BOOL failure = NO;
     [invocation setReturnValue:&failure];
diff --git a/tools_webrtc/ios/build_ios_libs.py b/tools_webrtc/ios/build_ios_libs.py
index 3be0eb1975..a3a40b7c15 100755
--- a/tools_webrtc/ios/build_ios_libs.py
+++ b/tools_webrtc/ios/build_ios_libs.py
@@ -31,7 +31,7 @@ SDK_OUTPUT_DIR = os.path.join(SRC_DIR, 'out_ios_libs')
 SDK_FRAMEWORK_NAME = 'WebRTC.framework'
 
 DEFAULT_ARCHS = ENABLED_ARCHS = ['arm64', 'arm', 'x64', 'x86']
-IOS_DEPLOYMENT_TARGET = '10.0'
+IOS_DEPLOYMENT_TARGET = '12.0'
 LIBVPX_BUILD_VP9 = False
 
 sys.path.append(os.path.join(SCRIPT_DIR, '..', 'libs'))