diff --git a/mobile/ios/Flutter/Release.xcconfig b/mobile/ios/Flutter/Release.xcconfig
index f0767b0e5..860e920a9 100644
--- a/mobile/ios/Flutter/Release.xcconfig
+++ b/mobile/ios/Flutter/Release.xcconfig
@@ -1,9 +1,10 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"
 
-// Default app bundle identifier. Internal/custom builds can override this
-// without patching tracked files by writing
-// `mobile/ios/Flutter/AppOverrides.xcconfig` containing
-// `BUNDLE_IDENTIFIER = your.app.id` (gitignored).
+// Defaults for the iOS Release build. Internal/custom builds (e.g. an
+// enterprise-signed distribution) override these without patching tracked
+// files by writing `mobile/ios/Flutter/AppOverrides.xcconfig` (gitignored).
 BUNDLE_IDENTIFIER = com.sprout.sproutMobile
+CODE_SIGN_STYLE = Automatic
+CODE_SIGN_IDENTITY = iPhone Developer
 #include? "AppOverrides.xcconfig"
diff --git a/mobile/ios/Runner.xcodeproj/project.pbxproj b/mobile/ios/Runner.xcodeproj/project.pbxproj
index 51f326c89..9e70e89aa 100644
--- a/mobile/ios/Runner.xcodeproj/project.pbxproj
+++ b/mobile/ios/Runner.xcodeproj/project.pbxproj
@@ -482,7 +482,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = $(BUNDLE_IDENTIFIER);
+				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
@@ -499,7 +499,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = $(BUNDLE_IDENTIFIER).RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER).RunnerTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -517,7 +517,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = $(BUNDLE_IDENTIFIER).RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER).RunnerTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
@@ -533,7 +533,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = $(BUNDLE_IDENTIFIER).RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER).RunnerTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
@@ -626,7 +626,6 @@
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
@@ -665,7 +664,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = $(BUNDLE_IDENTIFIER);
+				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -688,7 +687,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = $(BUNDLE_IDENTIFIER);
+				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;