diff --git a/packages/camera/camera_avfoundation/CHANGELOG.md b/packages/camera/camera_avfoundation/CHANGELOG.md
index 011d9c59dc0..8f221842e40 100644
--- a/packages/camera/camera_avfoundation/CHANGELOG.md
+++ b/packages/camera/camera_avfoundation/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.9.13+6
+
+* Fixes incorrect use of `NSError` that could cause crashes on launch.
+
 ## 0.9.13+5
 
 * Ignores audio samples until the first video sample arrives.
diff --git a/packages/camera/camera_avfoundation/example/ios/Runner.xcodeproj/project.pbxproj b/packages/camera/camera_avfoundation/example/ios/Runner.xcodeproj/project.pbxproj
index a20638d18e1..6006b9f2b4b 100644
--- a/packages/camera/camera_avfoundation/example/ios/Runner.xcodeproj/project.pbxproj
+++ b/packages/camera/camera_avfoundation/example/ios/Runner.xcodeproj/project.pbxproj
@@ -280,7 +280,7 @@
 		97C146E61CF9000F007C117D /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1300;
+				LastUpgradeCheck = 1430;
 				ORGANIZATIONNAME = "The Flutter Authors";
 				TargetAttributes = {
 					03BB76672665316900CE5A93 = {
diff --git a/packages/camera/camera_avfoundation/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/packages/camera/camera_avfoundation/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
index f4b3c109900..1ff4b573d76 100644
--- a/packages/camera/camera_avfoundation/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/packages/camera/camera_avfoundation/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1300"
+   LastUpgradeVersion = "1430"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/packages/camera/camera_avfoundation/example/ios/RunnerTests/CameraPropertiesTests.m b/packages/camera/camera_avfoundation/example/ios/RunnerTests/CameraPropertiesTests.m
index 18c01e59990..95203bfa9e9 100644
--- a/packages/camera/camera_avfoundation/example/ios/RunnerTests/CameraPropertiesTests.m
+++ b/packages/camera/camera_avfoundation/example/ios/RunnerTests/CameraPropertiesTests.m
@@ -19,7 +19,7 @@ - (void)testFLTGetFLTFlashModeForString {
   XCTAssertEqual(FLTFlashModeAuto, FLTGetFLTFlashModeForString(@"auto"));
   XCTAssertEqual(FLTFlashModeAlways, FLTGetFLTFlashModeForString(@"always"));
   XCTAssertEqual(FLTFlashModeTorch, FLTGetFLTFlashModeForString(@"torch"));
-  XCTAssertThrows(FLTGetFLTFlashModeForString(@"unkwown"));
+  XCTAssertEqual(FLTFlashModeInvalid, FLTGetFLTFlashModeForString(@"unknown"));
 }
 
 - (void)testFLTGetAVCaptureFlashModeForFLTFlashMode {
@@ -34,13 +34,13 @@ - (void)testFLTGetAVCaptureFlashModeForFLTFlashMode {
 - (void)testFLTGetStringForFLTExposureMode {
   XCTAssertEqualObjects(@"auto", FLTGetStringForFLTExposureMode(FLTExposureModeAuto));
   XCTAssertEqualObjects(@"locked", FLTGetStringForFLTExposureMode(FLTExposureModeLocked));
-  XCTAssertThrows(FLTGetStringForFLTExposureMode(-1));
+  XCTAssertNil(FLTGetStringForFLTExposureMode(-1));
 }
 
 - (void)testFLTGetFLTExposureModeForString {
   XCTAssertEqual(FLTExposureModeAuto, FLTGetFLTExposureModeForString(@"auto"));
   XCTAssertEqual(FLTExposureModeLocked, FLTGetFLTExposureModeForString(@"locked"));
-  XCTAssertThrows(FLTGetFLTExposureModeForString(@"unknown"));
+  XCTAssertEqual(FLTExposureModeInvalid, FLTGetFLTExposureModeForString(@"unknown"));
 }
 
 #pragma mark - focus mode tests
@@ -48,13 +48,13 @@ - (void)testFLTGetFLTExposureModeForString {
 - (void)testFLTGetStringForFLTFocusMode {
   XCTAssertEqualObjects(@"auto", FLTGetStringForFLTFocusMode(FLTFocusModeAuto));
   XCTAssertEqualObjects(@"locked", FLTGetStringForFLTFocusMode(FLTFocusModeLocked));
-  XCTAssertThrows(FLTGetStringForFLTFocusMode(-1));
+  XCTAssertNil(FLTGetStringForFLTFocusMode(-1));
 }
 
 - (void)testFLTGetFLTFocusModeForString {
   XCTAssertEqual(FLTFocusModeAuto, FLTGetFLTFocusModeForString(@"auto"));
   XCTAssertEqual(FLTFocusModeLocked, FLTGetFLTFocusModeForString(@"locked"));
-  XCTAssertThrows(FLTGetFLTFocusModeForString(@"unknown"));
+  XCTAssertEqual(FLTFocusModeInvalid, FLTGetFLTFocusModeForString(@"unknown"));
 }
 
 #pragma mark - resolution preset tests
@@ -67,7 +67,7 @@ - (void)testFLTGetFLTResolutionPresetForString {
   XCTAssertEqual(FLTResolutionPresetVeryHigh, FLTGetFLTResolutionPresetForString(@"veryHigh"));
   XCTAssertEqual(FLTResolutionPresetUltraHigh, FLTGetFLTResolutionPresetForString(@"ultraHigh"));
   XCTAssertEqual(FLTResolutionPresetMax, FLTGetFLTResolutionPresetForString(@"max"));
-  XCTAssertThrows(FLTGetFLTFlashModeForString(@"unknown"));
+  XCTAssertEqual(FLTResolutionPresetInvalid, FLTGetFLTResolutionPresetForString(@"unknown"));
 }
 
 #pragma mark - video format tests
@@ -89,7 +89,7 @@ - (void)testFLTGetUIDeviceOrientationForString {
   XCTAssertEqual(UIDeviceOrientationLandscapeLeft,
                  FLTGetUIDeviceOrientationForString(@"landscapeRight"));
   XCTAssertEqual(UIDeviceOrientationPortrait, FLTGetUIDeviceOrientationForString(@"portraitUp"));
-  XCTAssertThrows(FLTGetUIDeviceOrientationForString(@"unknown"));
+  XCTAssertEqual(UIDeviceOrientationUnknown, FLTGetUIDeviceOrientationForString(@"unknown"));
 }
 
 - (void)testFLTGetStringForUIDeviceOrientation {
diff --git a/packages/camera/camera_avfoundation/ios/Classes/CameraProperties.h b/packages/camera/camera_avfoundation/ios/Classes/CameraProperties.h
index aee4d643f64..4d0818dc816 100644
--- a/packages/camera/camera_avfoundation/ios/Classes/CameraProperties.h
+++ b/packages/camera/camera_avfoundation/ios/Classes/CameraProperties.h
@@ -17,6 +17,9 @@ typedef NS_ENUM(NSInteger, FLTFlashMode) {
   FLTFlashModeAuto,
   FLTFlashModeAlways,
   FLTFlashModeTorch,
+  // This should never occur; it indicates an unknown value was received over
+  // the platform channel.
+  FLTFlashModeInvalid,
 };
 
 /**
@@ -39,6 +42,9 @@ extern AVCaptureFlashMode FLTGetAVCaptureFlashModeForFLTFlashMode(FLTFlashMode m
 typedef NS_ENUM(NSInteger, FLTExposureMode) {
   FLTExposureModeAuto,
   FLTExposureModeLocked,
+  // This should never occur; it indicates an unknown value was received over
+  // the platform channel.
+  FLTExposureModeInvalid,
 };
 
 /**
@@ -61,6 +67,9 @@ extern FLTExposureMode FLTGetFLTExposureModeForString(NSString *mode);
 typedef NS_ENUM(NSInteger, FLTFocusMode) {
   FLTFocusModeAuto,
   FLTFocusModeLocked,
+  // This should never occur; it indicates an unknown value was received over
+  // the platform channel.
+  FLTFocusModeInvalid,
 };
 
 /**
@@ -100,6 +109,9 @@ typedef NS_ENUM(NSInteger, FLTResolutionPreset) {
   FLTResolutionPresetVeryHigh,
   FLTResolutionPresetUltraHigh,
   FLTResolutionPresetMax,
+  // This should never occur; it indicates an unknown value was received over
+  // the platform channel.
+  FLTResolutionPresetInvalid,
 };
 
 /**
diff --git a/packages/camera/camera_avfoundation/ios/Classes/CameraProperties.m b/packages/camera/camera_avfoundation/ios/Classes/CameraProperties.m
index e36f98af27f..147d3e3670b 100644
--- a/packages/camera/camera_avfoundation/ios/Classes/CameraProperties.m
+++ b/packages/camera/camera_avfoundation/ios/Classes/CameraProperties.m
@@ -16,13 +16,7 @@ FLTFlashMode FLTGetFLTFlashModeForString(NSString *mode) {
   } else if ([mode isEqualToString:@"torch"]) {
     return FLTFlashModeTorch;
   } else {
-    NSError *error = [NSError errorWithDomain:NSCocoaErrorDomain
-                                         code:NSURLErrorUnknown
-                                     userInfo:@{
-                                       NSLocalizedDescriptionKey : [NSString
-                                           stringWithFormat:@"Unknown flash mode %@", mode]
-                                     }];
-    @throw error;
+    return FLTFlashModeInvalid;
   }
 }
 
@@ -48,14 +42,11 @@ AVCaptureFlashMode FLTGetAVCaptureFlashModeForFLTFlashMode(FLTFlashMode mode) {
       return @"auto";
     case FLTExposureModeLocked:
       return @"locked";
+    case FLTExposureModeInvalid:
+      // This value should never actually be used.
+      return nil;
   }
-  NSError *error = [NSError errorWithDomain:NSCocoaErrorDomain
-                                       code:NSURLErrorUnknown
-                                   userInfo:@{
-                                     NSLocalizedDescriptionKey : [NSString
-                                         stringWithFormat:@"Unknown string for exposure mode"]
-                                   }];
-  @throw error;
+  return nil;
 }
 
 FLTExposureMode FLTGetFLTExposureModeForString(NSString *mode) {
@@ -64,13 +55,7 @@ FLTExposureMode FLTGetFLTExposureModeForString(NSString *mode) {
   } else if ([mode isEqualToString:@"locked"]) {
     return FLTExposureModeLocked;
   } else {
-    NSError *error = [NSError errorWithDomain:NSCocoaErrorDomain
-                                         code:NSURLErrorUnknown
-                                     userInfo:@{
-                                       NSLocalizedDescriptionKey : [NSString
-                                           stringWithFormat:@"Unknown exposure mode %@", mode]
-                                     }];
-    @throw error;
+    return FLTExposureModeInvalid;
   }
 }
 
@@ -82,14 +67,11 @@ FLTExposureMode FLTGetFLTExposureModeForString(NSString *mode) {
       return @"auto";
     case FLTFocusModeLocked:
       return @"locked";
+    case FLTFocusModeInvalid:
+      // This value should never actually be used.
+      return nil;
   }
-  NSError *error = [NSError errorWithDomain:NSCocoaErrorDomain
-                                       code:NSURLErrorUnknown
-                                   userInfo:@{
-                                     NSLocalizedDescriptionKey : [NSString
-                                         stringWithFormat:@"Unknown string for focus mode"]
-                                   }];
-  @throw error;
+  return nil;
 }
 
 FLTFocusMode FLTGetFLTFocusModeForString(NSString *mode) {
@@ -98,13 +80,7 @@ FLTFocusMode FLTGetFLTFocusModeForString(NSString *mode) {
   } else if ([mode isEqualToString:@"locked"]) {
     return FLTFocusModeLocked;
   } else {
-    NSError *error = [NSError errorWithDomain:NSCocoaErrorDomain
-                                         code:NSURLErrorUnknown
-                                     userInfo:@{
-                                       NSLocalizedDescriptionKey : [NSString
-                                           stringWithFormat:@"Unknown focus mode %@", mode]
-                                     }];
-    @throw error;
+    return FLTFocusModeInvalid;
   }
 }
 
@@ -120,14 +96,7 @@ UIDeviceOrientation FLTGetUIDeviceOrientationForString(NSString *orientation) {
   } else if ([orientation isEqualToString:@"portraitUp"]) {
     return UIDeviceOrientationPortrait;
   } else {
-    NSError *error = [NSError
-        errorWithDomain:NSCocoaErrorDomain
-                   code:NSURLErrorUnknown
-               userInfo:@{
-                 NSLocalizedDescriptionKey :
-                     [NSString stringWithFormat:@"Unknown device orientation %@", orientation]
-               }];
-    @throw error;
+    return UIDeviceOrientationUnknown;
   }
 }
 
@@ -163,13 +132,7 @@ FLTResolutionPreset FLTGetFLTResolutionPresetForString(NSString *preset) {
   } else if ([preset isEqualToString:@"max"]) {
     return FLTResolutionPresetMax;
   } else {
-    NSError *error = [NSError errorWithDomain:NSCocoaErrorDomain
-                                         code:NSURLErrorUnknown
-                                     userInfo:@{
-                                       NSLocalizedDescriptionKey : [NSString
-                                           stringWithFormat:@"Unknown resolution preset %@", preset]
-                                     }];
-    @throw error;
+    return FLTResolutionPresetInvalid;
   }
 }
 
diff --git a/packages/camera/camera_avfoundation/ios/Classes/FLTCam.m b/packages/camera/camera_avfoundation/ios/Classes/FLTCam.m
index e0f03000d45..1f940403320 100644
--- a/packages/camera/camera_avfoundation/ios/Classes/FLTCam.m
+++ b/packages/camera/camera_avfoundation/ios/Classes/FLTCam.m
@@ -118,10 +118,16 @@ - (instancetype)initWithCameraName:(NSString *)cameraName
                              error:(NSError **)error {
   self = [super init];
   NSAssert(self, @"super init cannot be nil");
-  @try {
-    _resolutionPreset = FLTGetFLTResolutionPresetForString(resolutionPreset);
-  } @catch (NSError *e) {
-    *error = e;
+  _resolutionPreset = FLTGetFLTResolutionPresetForString(resolutionPreset);
+  if (_resolutionPreset == FLTResolutionPresetInvalid) {
+    *error = [NSError
+        errorWithDomain:NSCocoaErrorDomain
+                   code:NSURLErrorUnknown
+               userInfo:@{
+                 NSLocalizedDescriptionKey :
+                     [NSString stringWithFormat:@"Unknown resolution preset %@", resolutionPreset]
+               }];
+    return nil;
   }
   _enableAudio = enableAudio;
   _captureSessionQueue = captureSessionQueue;
@@ -162,7 +168,9 @@ - (instancetype)initWithCameraName:(NSString *)cameraName
   _motionManager = [[CMMotionManager alloc] init];
   [_motionManager startAccelerometerUpdates];
 
-  [self setCaptureSessionPreset:_resolutionPreset];
+  if (![self setCaptureSessionPreset:_resolutionPreset withError:error]) {
+    return nil;
+  }
   [self updateOrientation];
 
   return self;
@@ -337,7 +345,7 @@ - (NSString *)getTemporaryFilePathWithExtension:(NSString *)extension
   return file;
 }
 
-- (void)setCaptureSessionPreset:(FLTResolutionPreset)resolutionPreset {
+- (BOOL)setCaptureSessionPreset:(FLTResolutionPreset)resolutionPreset withError:(NSError **)error {
   switch (resolutionPreset) {
     case FLTResolutionPresetMax:
     case FLTResolutionPresetUltraHigh:
@@ -382,17 +390,17 @@ - (void)setCaptureSessionPreset:(FLTResolutionPreset)resolutionPreset {
         _videoCaptureSession.sessionPreset = AVCaptureSessionPresetLow;
         _previewSize = CGSizeMake(352, 288);
       } else {
-        NSError *error =
-            [NSError errorWithDomain:NSCocoaErrorDomain
-                                code:NSURLErrorUnknown
-                            userInfo:@{
-                              NSLocalizedDescriptionKey :
-                                  @"No capture session available for current capture session."
-                            }];
-        @throw error;
+        *error = [NSError errorWithDomain:NSCocoaErrorDomain
+                                     code:NSURLErrorUnknown
+                                 userInfo:@{
+                                   NSLocalizedDescriptionKey :
+                                       @"No capture session available for current capture session."
+                                 }];
+        return NO;
       }
   }
   _audioCaptureSession.sessionPreset = _videoCaptureSession.sessionPreset;
+  return YES;
 }
 
 - (void)captureOutput:(AVCaptureOutput *)output
@@ -726,11 +734,17 @@ - (void)resumeVideoRecordingWithResult:(FLTThreadSafeFlutterResult *)result {
 
 - (void)lockCaptureOrientationWithResult:(FLTThreadSafeFlutterResult *)result
                              orientation:(NSString *)orientationStr {
-  UIDeviceOrientation orientation;
-  @try {
-    orientation = FLTGetUIDeviceOrientationForString(orientationStr);
-  } @catch (NSError *e) {
-    [result sendError:e];
+  UIDeviceOrientation orientation = FLTGetUIDeviceOrientationForString(orientationStr);
+  // "Unknown" should never be sent, so is used to represent an unexpected
+  // value.
+  if (orientation == UIDeviceOrientationUnknown) {
+    [result sendError:[NSError errorWithDomain:NSCocoaErrorDomain
+                                          code:NSURLErrorUnknown
+                                      userInfo:@{
+                                        NSLocalizedDescriptionKey : [NSString
+                                            stringWithFormat:@"Unknown device orientation %@",
+                                                             orientationStr]
+                                      }]];
     return;
   }
 
@@ -749,11 +763,14 @@ - (void)unlockCaptureOrientationWithResult:(FLTThreadSafeFlutterResult *)result
 }
 
 - (void)setFlashModeWithResult:(FLTThreadSafeFlutterResult *)result mode:(NSString *)modeStr {
-  FLTFlashMode mode;
-  @try {
-    mode = FLTGetFLTFlashModeForString(modeStr);
-  } @catch (NSError *e) {
-    [result sendError:e];
+  FLTFlashMode mode = FLTGetFLTFlashModeForString(modeStr);
+  if (mode == FLTFlashModeInvalid) {
+    [result sendError:[NSError errorWithDomain:NSCocoaErrorDomain
+                                          code:NSURLErrorUnknown
+                                      userInfo:@{
+                                        NSLocalizedDescriptionKey : [NSString
+                                            stringWithFormat:@"Unknown flash mode %@", modeStr]
+                                      }]];
     return;
   }
   if (mode == FLTFlashModeTorch) {
@@ -800,11 +817,14 @@ - (void)setFlashModeWithResult:(FLTThreadSafeFlutterResult *)result mode:(NSStri
 }
 
 - (void)setExposureModeWithResult:(FLTThreadSafeFlutterResult *)result mode:(NSString *)modeStr {
-  FLTExposureMode mode;
-  @try {
-    mode = FLTGetFLTExposureModeForString(modeStr);
-  } @catch (NSError *e) {
-    [result sendError:e];
+  FLTExposureMode mode = FLTGetFLTExposureModeForString(modeStr);
+  if (mode == FLTExposureModeInvalid) {
+    [result sendError:[NSError errorWithDomain:NSCocoaErrorDomain
+                                          code:NSURLErrorUnknown
+                                      userInfo:@{
+                                        NSLocalizedDescriptionKey : [NSString
+                                            stringWithFormat:@"Unknown exposure mode %@", modeStr]
+                                      }]];
     return;
   }
   _exposureMode = mode;
@@ -825,16 +845,24 @@ - (void)applyExposureMode {
         [_captureDevice setExposureMode:AVCaptureExposureModeAutoExpose];
       }
       break;
+    case FLTExposureModeInvalid:
+      // This state is not intended to be reachable; it exists only for error handling during
+      // message deserialization.
+      NSAssert(false, @"");
+      break;
   }
   [_captureDevice unlockForConfiguration];
 }
 
 - (void)setFocusModeWithResult:(FLTThreadSafeFlutterResult *)result mode:(NSString *)modeStr {
-  FLTFocusMode mode;
-  @try {
-    mode = FLTGetFLTFocusModeForString(modeStr);
-  } @catch (NSError *e) {
-    [result sendError:e];
+  FLTFocusMode mode = FLTGetFLTFocusModeForString(modeStr);
+  if (mode == FLTFocusModeInvalid) {
+    [result sendError:[NSError errorWithDomain:NSCocoaErrorDomain
+                                          code:NSURLErrorUnknown
+                                      userInfo:@{
+                                        NSLocalizedDescriptionKey : [NSString
+                                            stringWithFormat:@"Unknown focus mode %@", modeStr]
+                                      }]];
     return;
   }
   _focusMode = mode;
@@ -861,6 +889,11 @@ - (void)applyFocusMode:(FLTFocusMode)focusMode onDevice:(AVCaptureDevice *)captu
         [captureDevice setFocusMode:AVCaptureFocusModeAutoFocus];
       }
       break;
+    case FLTFocusModeInvalid:
+      // This state is not intended to be reachable; it exists only for error handling during
+      // message deserialization.
+      NSAssert(false, @"");
+      break;
   }
   [captureDevice unlockForConfiguration];
 }
diff --git a/packages/camera/camera_avfoundation/pubspec.yaml b/packages/camera/camera_avfoundation/pubspec.yaml
index e13e957cad7..b4a4396926d 100644
--- a/packages/camera/camera_avfoundation/pubspec.yaml
+++ b/packages/camera/camera_avfoundation/pubspec.yaml
@@ -2,7 +2,7 @@ name: camera_avfoundation
 description: iOS implementation of the camera plugin.
 repository: https://github.com/flutter/packages/tree/main/packages/camera/camera_avfoundation
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
-version: 0.9.13+5
+version: 0.9.13+6
 
 environment:
   sdk: ">=2.19.0 <4.0.0"