diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 53dff769c6be..e49618adf0e8 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -101,9 +101,14 @@ jobs:
           flavor: ${{ matrix.flavor }}
 
   prebuild_apple_dependencies:
-    uses: ./.github/workflows/prebuild-ios.yml
+    uses: ./.github/workflows/prebuild-ios-dependencies.yml
     secrets: inherit
 
+  prebuild_react_native_core:
+    uses: ./.github/workflows/prebuild-ios-core.yml
+    secrets: inherit
+    needs: [prebuild_apple_dependencies, build_hermes_macos]
+
   build_hermesc_linux:
     runs-on: ubuntu-latest
     needs: prepare_hermes_workspace
diff --git a/.github/workflows/prebuild-ios-core.yml b/.github/workflows/prebuild-ios-core.yml
new file mode 100644
index 000000000000..8959aaa4e75a
--- /dev/null
+++ b/.github/workflows/prebuild-ios-core.yml
@@ -0,0 +1,199 @@
+name: Prebuild iOS Dependencies
+
+on:
+  workflow_call: # this directive allow us to call this workflow from other workflows
+
+
+jobs:
+  build-rn-slice:
+    runs-on: macos-14
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: ['Debug', 'Release']
+        slice: [
+          'ios',
+          'ios-simulator',
+          'mac-catalyst',
+        ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Restore cache if present
+        id: restore-ios-slice
+        uses: actions/cache/restore@v4
+        with:
+          path: packages/react-native/third-party/
+          key: v2-ios-core-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift') }}-${{ hashFiles('packages/react-native/scripts/ios-prebuild/setup.js') }}
+      - name: Setup node.js
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        uses: ./.github/actions/setup-node
+      - name: Setup xcode
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        uses: ./.github/actions/setup-xcode
+        with:
+          xcode-version: '16.2.0'
+      - name: Yarn Install
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        uses: ./.github/actions/yarn-install
+      - name: Download Hermes
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        uses: actions/download-artifact@v4
+        with:
+          name: hermes-darwin-bin-${{ matrix.flavor }}
+          path: /tmp/hermes/hermes-runtime-darwin
+      - name: Extract Hermes
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          HERMES_TARBALL_ARTIFACTS_DIR=/tmp/hermes/hermes-runtime-darwin
+          if [ ! -d $HERMES_TARBALL_ARTIFACTS_DIR ]; then
+            echo "Hermes tarball artifacts dir not present ($HERMES_TARBALL_ARTIFACTS_DIR)."
+            exit 0
+          fi
+
+          TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "${{ matrix.flavor }}")
+          TARBALL_PATH=$HERMES_TARBALL_ARTIFACTS_DIR/$TARBALL_FILENAME
+
+          echo "Looking for $TARBALL_FILENAME in $HERMES_TARBALL_ARTIFACTS_DIR"
+          echo "$TARBALL_PATH"
+
+          if [ ! -f $TARBALL_PATH ]; then
+            echo "Hermes tarball not present ($TARBALL_PATH). Build Hermes from source."
+            exit 0
+          fi
+
+          echo "Found Hermes tarball at $TARBALL_PATH"
+          echo "HERMES_ENGINE_TARBALL_PATH=$TARBALL_PATH" >> $GITHUB_ENV
+      - name: Download ReactNativeDependencies
+        uses: actions/download-artifact@v4
+        with:
+          name: ReactNativeDependencies${{ matrix.flavor }}.xcframework.tar.gz
+          path: /tmp/third-party/
+      - name: Extract ReactNativeDependencies
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          # Extract ReactNativeDependencies
+          tar -xzf /tmp/third-party/ReactNativeDependencies${{ matrix.flavor }}.xcframework.tar.gz -C /tmp/third-party/
+
+          # Create destination folder
+          mkdir -p packages/react-native/third-party/
+
+          # Move the XCFramework in the destination directory
+          mv /tmp/third-party/packages/react-native/third-party/ReactNativeDependencies.xcframework packages/react-native/third-party/ReactNativeDependencies.xcframework
+
+          VERSION=$(jq -r '.version' package.json)
+          echo "$VERSION-${{matrix.flavor}}" > "packages/react-native/third-party/version.txt"
+          cat "packages/react-native/third-party/version.txt"
+          # Check destination directory
+          ls -lR packages/react-native/third-party/
+      - name: Setup the workspace
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          cd packages/react-native
+          node scripts/ios-prebuild.js -s -f "${{ matrix.flavor }}"
+      - name: Build React Native
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          # This is going to be replaced by a CLI script
+          cd packages/react-native
+          node scripts/ios-prebuild -b -f "${{ matrix.flavor }}" -p "${{ matrix.slice }}"
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4.3.4
+        with:
+          name: prebuild-ios-core-slice-${{ matrix.flavor }}-${{ matrix.slice }}
+          path: |
+            packages/react-native/.build/output/spm/${{ matrix.flavor }}/Build/Products
+      - name: Save Cache
+        uses: actions/cache/save@v4
+        if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode
+        with:
+          key: v2-ios-core-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift') }}-${{ hashFiles('packages/react-native/scripts/ios-prebuild/setup.js') }}
+          enableCrossOsArchive: true
+          path: |
+            packages/react-native/.build/output/spm/${{ matrix.flavor }}/Build/Products
+
+  compose-xcframework:
+    runs-on: macos-14
+    needs: [build-rn-slice]
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: ['Debug', 'Release']
+    env:
+      REACT_ORG_CODE_SIGNING_P12_CERT: ${{ secrets.REACT_ORG_CODE_SIGNING_P12_CERT }}
+      REACT_ORG_CODE_SIGNING_P12_CERT_PWD: ${{ secrets.REACT_ORG_CODE_SIGNING_P12_CERT_PWD }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Restore cache if present
+        id: restore-ios-xcframework
+        uses: actions/cache/restore@v4
+        with:
+          path: packages/react-native/.build/output/xcframeworks
+          key: v2-ios-core-xcframework-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift') }}-${{ hashFiles('packages/react-native/scripts/ios-prebuild/setup.js') }}
+      - name: Setup node.js
+        if: steps.restore-ios-xcframework.outputs.cache-hit != 'true'
+        uses: ./.github/actions/setup-node
+      - name: Setup xcode
+        if: steps.restore-ios-xcframework.outputs.cache-hit != 'true'
+        uses: ./.github/actions/setup-xcode
+        with:
+          xcode-version: '16.2.0'
+      - name: Yarn Install
+        if: steps.restore-ios-xcframework.outputs.cache-hit != 'true'
+        uses: ./.github/actions/yarn-install
+      - name: Download slice artifacts
+        if: steps.restore-ios-xcframework.outputs.cache-hit != 'true'
+        uses: actions/download-artifact@v4
+        with:
+          pattern: prebuild-ios-core-slice-${{ matrix.flavor }}-*
+          path: packages/react-native/.build/output/spm/${{ matrix.flavor }}/Build/Products
+          merge-multiple: true
+      - name: Setup Keychain
+        if: ${{ steps.restore-ios-xcframework.outputs.cache-hit != 'true' && env.REACT_ORG_CODE_SIGNING_P12_CERT != '' }}
+        uses: apple-actions/import-codesign-certs@v3 # https://github.com/marketplace/actions/import-code-signing-certificates
+        with:
+          p12-file-base64: ${{ secrets.REACT_ORG_CODE_SIGNING_P12_CERT }}
+          p12-password: ${{ secrets.REACT_ORG_CODE_SIGNING_P12_CERT_PWD }}
+      - name: Create XCFramework
+        if: ${{ steps.restore-ios-xcframework.outputs.cache-hit != 'true' && env.REACT_ORG_CODE_SIGNING_P12_CERT == '' }}
+        run: |
+          cd packages/react-native
+          node scripts/ios-prebuild -c -f "${{ matrix.flavor }}"
+      - name: Create and Sign XCFramework
+        if: ${{ steps.restore-ios-xcframework.outputs.cache-hit != 'true' && env.REACT_ORG_CODE_SIGNING_P12_CERT != '' }}
+        run: |
+          cd packages/react-native
+          node scripts/ios-prebuild -c -f "${{ matrix.flavor }}" -i "React Org"
+      - name: Compress and Rename XCFramework
+        if: steps.restore-ios-xcframework.outputs.cache-hit != 'true'
+        run: |
+          cd packages/react-native/.build/output/xcframeworks/${{matrix.flavor}}
+          tar -cz -f ../React${{matrix.flavor}}.xcframework.tar.gz React.xcframework
+      - name: Compress and Rename dSYM
+        if: steps.restore-ios-xcframework.outputs.cache-hit != 'true'
+        run: |
+          cd packages/react-native/.build/output/xcframeworks/${{matrix.flavor}}/Symbols
+          tar -cz -f ../../React${{ matrix.flavor }}.framework.dSYM.tar.gz .
+      - name: Upload XCFramework Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: React${{ matrix.flavor }}.xcframework.tar.gz
+          path: packages/react-native/.build/output/xcframeworks/React${{matrix.flavor}}.xcframework.tar.gz
+      - name: Upload dSYM Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: React${{ matrix.flavor }}.framework.dSYM.tar.gz
+          path: packages/react-native/.build/output/xcframeworks/React${{matrix.flavor}}.framework.dSYM.tar.gz
+      - name: Save cache if present
+        if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            packages/react-native/.build/output/xcframeworks/React${{matrix.flavor}}.xcframework.tar.gz
+            packages/react-native/.build/output/xcframeworks/React${{matrix.flavor}}.framework.dSYM.tar.gz
+          key: v2-ios-core-xcframework-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift') }}-${{ hashFiles('packages/react-native/scripts/ios-prebuild/setup.js') }}
diff --git a/.github/workflows/prebuild-ios.yml b/.github/workflows/prebuild-ios-dependencies.yml
similarity index 99%
rename from .github/workflows/prebuild-ios.yml
rename to .github/workflows/prebuild-ios-dependencies.yml
index 56f15777fa8d..3ae438892382 100644
--- a/.github/workflows/prebuild-ios.yml
+++ b/.github/workflows/prebuild-ios-dependencies.yml
@@ -1,4 +1,4 @@
-name: Prebuild iOS
+name: Prebuild iOS Dependencies
 
 on:
   workflow_call: # this directive allow us to call this workflow from other workflows
diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index 6e0521579226..9cdd88bbac5a 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -96,9 +96,15 @@ jobs:
           hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
           react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
           flavor: ${{ matrix.flavor }}
+
   prebuild_apple_dependencies:
-    uses: ./.github/workflows/prebuild-ios.yml
+    uses: ./.github/workflows/prebuild-ios-dependencies.yml
+    secrets: inherit
+
+  prebuild_react_native_core:
+    uses: ./.github/workflows/prebuild-ios-core.yml
     secrets: inherit
+    needs: [prebuild_apple_dependencies, build_hermes_macos]
 
   build_hermesc_linux:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test-all.yml b/.github/workflows/test-all.yml
index 99797d317ba8..da0d4ed74d8a 100644
--- a/.github/workflows/test-all.yml
+++ b/.github/workflows/test-all.yml
@@ -117,9 +117,14 @@ jobs:
           flavor: ${{ matrix.flavor }}
 
   prebuild_apple_dependencies:
-    uses: ./.github/workflows/prebuild-ios.yml
+    uses: ./.github/workflows/prebuild-ios-dependencies.yml
     secrets: inherit
 
+  prebuild_react_native_core:
+    uses: ./.github/workflows/prebuild-ios-core.yml
+    secrets: inherit
+    needs: [prebuild_apple_dependencies, build_hermes_macos]
+
   test_ios_rntester_ruby_3_2_0:
     runs-on: macos-14
     needs:
diff --git a/packages/react-native/scripts/ios-prebuild.js b/packages/react-native/scripts/ios-prebuild.js
index 0e71fea00d89..1c7319ba7edf 100644
--- a/packages/react-native/scripts/ios-prebuild.js
+++ b/packages/react-native/scripts/ios-prebuild.js
@@ -71,7 +71,13 @@ async function main() {
     if (cli.tasks.compose) {
       const productsFolder = computeProductsFolder(outputFolder);
       const frameworkPaths = computeFrameworkPaths(productsFolder);
-      buildXCFrameworks(root, buildFolder, frameworkPaths, buildType);
+      buildXCFrameworks(
+        root,
+        buildFolder,
+        frameworkPaths,
+        buildType,
+        cli.identity,
+      );
     }
 
     // Done!
diff --git a/packages/react-native/scripts/ios-prebuild/build.js b/packages/react-native/scripts/ios-prebuild/build.js
index e0454e658b4b..7381771675e8 100644
--- a/packages/react-native/scripts/ios-prebuild/build.js
+++ b/packages/react-native/scripts/ios-prebuild/build.js
@@ -9,7 +9,7 @@
  */
 
 /*::
-import type {Destination} from './types';
+import type {BuildFlavor, Destination} from './types';
 */
 
 const {createLogger} = require('./utils');
@@ -52,13 +52,14 @@ function computeFrameworkPaths(
 function buildSwiftPackage(
   rootFolder /*: string */,
   buildFolder /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   platform /*: Destination */,
   outputFolder /*: string */,
 ) {
   const buildCommand =
     `xcodebuild -scheme React -destination "generic/platform=${platform}" -derivedDataPath "${outputFolder}" ` +
-    `-configuration "${buildType}" SKIP_INSTALL=NO BUILD_LIBRARY_FOR_DISTRIBUTION=YES OTHER_SWIFT_FLAGS="-no-verify-emitted-module-interface"`;
+    `-configuration "${buildType}" SKIP_INSTALL=NO BUILD_LIBRARY_FOR_DISTRIBUTION=YES OTHER_SWIFT_FLAGS="-no-verify-emitted-module-interface" ` +
+    `DEBUG_INFORMATION_FORMAT="dwarf-with-dsym"`;
   buildLog(`Building Swift package for ${buildType}`);
   buildLog(buildCommand);
 
diff --git a/packages/react-native/scripts/ios-prebuild/cli.js b/packages/react-native/scripts/ios-prebuild/cli.js
index 55a32033961b..01301c800af7 100644
--- a/packages/react-native/scripts/ios-prebuild/cli.js
+++ b/packages/react-native/scripts/ios-prebuild/cli.js
@@ -11,7 +11,7 @@
 const yargs = require('yargs');
 
 /*::
-import type {Destination, Platform} from './types';
+import type {BuildFlavor, Destination, Platform} from './types';
 */
 
 const platforms /*: $ReadOnlyArray<Platform> */ = [
@@ -77,7 +77,7 @@ async function getCLIConfiguration() /*: Promise<?{|
     build: boolean,
     compose: boolean,
   |},
-  flavor: 'debug' | 'release',
+  flavor: BuildFlavor,
   destinations: $ReadOnlyArray<Destination>,
   identity: ?string,
 |}> */ {
@@ -103,10 +103,10 @@ async function getCLIConfiguration() /*: Promise<?{|
     .map(p => platformToDestination[p]);
 
   // Validate flavor
-  const resolvedFlavor = argv.flavor.toLowerCase();
-  if (resolvedFlavor !== 'debug' && resolvedFlavor !== 'release') {
+  const flavor = argv.flavor;
+  if (flavor !== 'Debug' && flavor !== 'Release') {
     console.error(
-      `Invalid flavor specified: ${resolvedFlavor}\nValid flavors are: debug, release`,
+      `Invalid flavor specified: ${flavor}\nValid flavors are: Debug, Release`,
     );
     return undefined;
   }
@@ -121,7 +121,7 @@ async function getCLIConfiguration() /*: Promise<?{|
       build: runAllCommands || argv.build != null,
       compose: runAllCommands || argv.compose != null,
     },
-    flavor: resolvedFlavor,
+    flavor: flavor,
     destinations: resolvedPlatforms,
     identity: argv.identity,
   };
diff --git a/packages/react-native/scripts/ios-prebuild/hermes.js b/packages/react-native/scripts/ios-prebuild/hermes.js
index 11cc1d071851..17fae1d99ef1 100644
--- a/packages/react-native/scripts/ios-prebuild/hermes.js
+++ b/packages/react-native/scripts/ios-prebuild/hermes.js
@@ -18,6 +18,10 @@ const {promisify} = require('util');
 const pipeline = promisify(stream.pipeline);
 const hermesLog = createLogger('Hermes');
 
+/*::
+import type {BuildFlavor, Destination, Platform} from './types';
+*/
+
 /**
  * Downloads hermes artifacts from the specified version and build type. If you want to specify a specific
  * version of hermes, use the HERMES_VERSION environment variable. The path to the artifacts will be inside
@@ -26,7 +30,7 @@ const hermesLog = createLogger('Hermes');
  */
 async function prepareHermesArtifactsAsync(
   version /*:string*/,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) /*: Promise<string> */ {
   hermesLog(`Preparing Hermes...`);
 
@@ -135,7 +139,7 @@ const HermesEngineSourceTypes = {
 function checkExistingVersion(
   versionFilePath /*: string */,
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string */,
 ) {
   const resolvedVersion = `${version}-${buildType}`;
@@ -177,18 +181,18 @@ function hermesEngineTarballEnvvarDefined() /*: boolean */ {
 
 function getTarballUrl(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) /*: string */ {
   const mavenRepoUrl = 'https://repo1.maven.org/maven2';
   const namespace = 'com/facebook/react';
-  return `${mavenRepoUrl}/${namespace}/react-native-artifacts/${version}/react-native-artifacts-${version}-hermes-ios-${buildType}.tar.gz`;
+  return `${mavenRepoUrl}/${namespace}/react-native-artifacts/${version}/react-native-artifacts-${version}-hermes-ios-${buildType.toLowerCase()}.tar.gz`;
 }
 
 function getNightlyTarballUrl(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) /*: string */ {
-  const params = `r=snapshots&g=com.facebook.react&a=react-native-artifacts&c=hermes-ios-${buildType}&e=tar.gz&v=${version}-SNAPSHOT`;
+  const params = `r=snapshots&g=com.facebook.react&a=react-native-artifacts&c=hermes-ios-${buildType.toLowerCase()}&e=tar.gz&v=${version}-SNAPSHOT`;
   return `https://oss.sonatype.org/service/local/artifact/maven/redirect?${params}`;
 }
 
@@ -231,7 +235,7 @@ async function hermesArtifactExists(
  */
 async function hermesSourceType(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) /*: Promise<HermesEngineSourceType> */ {
   if (hermesEngineTarballEnvvarDefined()) {
     hermesLog('Using local prebuild tarball');
@@ -262,7 +266,7 @@ async function hermesSourceType(
 async function resolveSourceFromSourceType(
   sourceType /*: HermesEngineSourceType */,
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string*/,
 ) /*: Promise<string> */ {
   switch (sourceType) {
@@ -296,7 +300,7 @@ function localPrebuiltTarball() /*: string */ {
 
 async function downloadPrebuildTarball(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string*/,
 ) /*: Promise<string> */ {
   const url = getTarballUrl(version, buildType);
@@ -306,7 +310,7 @@ async function downloadPrebuildTarball(
 
 async function downloadPrebuiltNightlyTarball(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string*/,
 ) /*: Promise<string> */ {
   const url = await resolveUrlRedirects(
@@ -318,7 +322,7 @@ async function downloadPrebuiltNightlyTarball(
 
 async function downloadStableHermes(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string */,
 ) /*: Promise<string> */ {
   const tarballUrl = getTarballUrl(version, buildType);
@@ -331,7 +335,7 @@ async function downloadStableHermes(
 async function downloadHermesTarball(
   tarballUrl /*: string */,
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string */,
 ) /*: Promise<string> */ {
   const destPath = buildType
diff --git a/packages/react-native/scripts/ios-prebuild/reactNativeDependencies.js b/packages/react-native/scripts/ios-prebuild/reactNativeDependencies.js
index bcc3d2d3d517..1d32b76245a4 100644
--- a/packages/react-native/scripts/ios-prebuild/reactNativeDependencies.js
+++ b/packages/react-native/scripts/ios-prebuild/reactNativeDependencies.js
@@ -8,6 +8,8 @@
  * @format
  */
 
+/*:: import type {BuildFlavor} from './types'; */
+
 const {createLogger} = require('./utils');
 const {execSync} = require('child_process');
 const fs = require('fs');
@@ -26,7 +28,7 @@ const dependencyLog = createLogger('ReactNativeDependencies');
  */
 async function prepareReactNativeDependenciesArtifactsAsync(
   version /*:string*/,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) /*: Promise<string> */ {
   dependencyLog(`Preparing ReactNativeDependencies...`);
 
@@ -133,7 +135,7 @@ const ReactNativeDependenciesEngineSourceTypes = {
 function checkExistingVersion(
   versionFilePath /*: string */,
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string */,
 ) {
   const resolvedVersion = `${version}-${buildType}`;
@@ -146,7 +148,7 @@ function checkExistingVersion(
     if (fs.existsSync(versionFilePath)) {
       const versionFileContent = fs.readFileSync(versionFilePath, 'utf8');
       dependencyLog(`Version found on disk: ${versionFileContent}`);
-      if (versionFileContent.trim().toLowerCase() === resolvedVersion) {
+      if (versionFileContent.trim() === resolvedVersion) {
         dependencyLog(
           `ReactNativeDependencies artifacts already downloaded and up to date: ${artifactsPath}`,
         );
@@ -175,18 +177,18 @@ function checkExistingVersion(
 
 function getTarballUrl(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) /*: string */ {
   const mavenRepoUrl = 'https://repo1.maven.org/maven2';
   const namespace = 'com/facebook/react';
-  return `${mavenRepoUrl}/${namespace}/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-dependencies-${buildType}.tar.gz`;
+  return `${mavenRepoUrl}/${namespace}/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-dependencies-${buildType.toLowerCase()}.tar.gz`;
 }
 
 function getNightlyTarballUrl(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) /*: string */ {
-  const params = `r=snapshots&g=com.facebook.react&a=react-native-artifacts&c=reactnative-dependencies-${buildType}&e=tar.gz&v=${version}-SNAPSHOT`;
+  const params = `r=snapshots&g=com.facebook.react&a=react-native-artifacts&c=reactnative-dependencies-${buildType.toLowerCase()}&e=tar.gz&v=${version}-SNAPSHOT`;
   return `https://oss.sonatype.org/service/local/artifact/maven/redirect?${params}`;
 }
 
@@ -229,7 +231,7 @@ async function reactNativeDependenciesArtifactExists(
  */
 async function reactNativeDependenciesSourceType(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) /*: Promise<ReactNativeDependenciesEngineSourceType> */ {
   const tarballUrl = getTarballUrl(version, buildType);
   if (await reactNativeDependenciesArtifactExists(tarballUrl)) {
@@ -255,7 +257,7 @@ async function reactNativeDependenciesSourceType(
 async function resolveSourceFromSourceType(
   sourceType /*: ReactNativeDependenciesEngineSourceType */,
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string*/,
 ) /*: Promise<string> */ {
   switch (sourceType) {
@@ -273,7 +275,7 @@ async function resolveSourceFromSourceType(
 
 async function downloadPrebuildTarball(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string*/,
 ) /*: Promise<string> */ {
   const url = getTarballUrl(version, buildType);
@@ -287,7 +289,7 @@ async function downloadPrebuildTarball(
 
 async function downloadPrebuiltNightlyTarball(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string*/,
 ) /*: Promise<string> */ {
   const url = await resolveUrlRedirects(
@@ -304,7 +306,7 @@ async function downloadPrebuiltNightlyTarball(
 
 async function downloadStableReactNativeDependencies(
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string */,
 ) /*: Promise<string> */ {
   const tarballUrl = getTarballUrl(version, buildType);
@@ -322,7 +324,7 @@ async function downloadStableReactNativeDependencies(
 async function downloadReactNativeDependenciesTarball(
   tarballUrl /*: string */,
   version /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
   artifactsPath /*: string */,
 ) /*: Promise<string> */ {
   const destPath = buildType
diff --git a/packages/react-native/scripts/ios-prebuild/setup.js b/packages/react-native/scripts/ios-prebuild/setup.js
index 0419dd1c206e..bd26c3634f44 100644
--- a/packages/react-native/scripts/ios-prebuild/setup.js
+++ b/packages/react-native/scripts/ios-prebuild/setup.js
@@ -8,6 +8,8 @@
  * @format
  */
 
+/*:: import type {BuildFlavor} from './types'; */
+
 const {prepareHermesArtifactsAsync} = require('./hermes');
 const {
   prepareReactNativeDependenciesArtifactsAsync,
@@ -21,7 +23,7 @@ async function setup(
   root /*:string*/,
   buildFolder /*: string */,
   currentVersion /*: string */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
 ) {
   const prebuildLog = createLogger('prebuild');
   createFolderIfNotExists(buildFolder);
diff --git a/packages/react-native/scripts/ios-prebuild/types.js b/packages/react-native/scripts/ios-prebuild/types.js
index 1f7430c198e0..c1ac1489c804 100644
--- a/packages/react-native/scripts/ios-prebuild/types.js
+++ b/packages/react-native/scripts/ios-prebuild/types.js
@@ -18,6 +18,8 @@ export type Destination =
   'iOS' |
   'iOS Simulator' |
   'macOS,variant=Mac Catalyst';
+
+export type BuildFlavor = 'Debug' | 'Release';
 */
 
 module.exports = {};
diff --git a/packages/react-native/scripts/ios-prebuild/xcframework.js b/packages/react-native/scripts/ios-prebuild/xcframework.js
index b86068e00f91..ffecf7a74e22 100644
--- a/packages/react-native/scripts/ios-prebuild/xcframework.js
+++ b/packages/react-native/scripts/ios-prebuild/xcframework.js
@@ -8,6 +8,8 @@
  * @format
  */
 
+/*:: import type {BuildFlavor} from './types'; */
+
 const {createFolderIfNotExists, createLogger} = require('./utils');
 const {execSync} = require('child_process');
 const fs = require('fs');
@@ -73,7 +75,8 @@ function buildXCFrameworks(
   rootFolder /*: string */,
   buildFolder /*: string */,
   frameworkFolders /*: Array<string> */,
-  buildType /*: 'debug' | 'release' */,
+  buildType /*: BuildFlavor */,
+  identity /*: ?string */,
 ) {
   const outputPath = path.join(
     buildFolder,
@@ -122,6 +125,23 @@ function buildXCFrameworks(
 
   // Create the module map file
   createModuleMapFile(outputPath, umbrellaHeaderFile);
+
+  // Copy Symbols to symbols folder
+  const symbolPaths = frameworkFolders.map(framework =>
+    path.join(framework, `..`, `..`, `React.framework.dSYM`),
+  );
+  console.log('Copying symbols to symbols folder...');
+  const symbolOutput = path.join(outputPath, '..', 'Symbols');
+  symbolPaths.forEach(symbol => {
+    const destination = extractDestinationFromPath(symbol);
+    const outputFolder = path.join(symbolOutput, destination);
+    fs.mkdirSync(outputFolder, {recursive: true});
+    execSync(`cp -r ${symbol} ${outputFolder}`);
+  });
+
+  if (identity) {
+    signXCFramework(identity, outputPath);
+  }
 }
 
 function copyHeaderFiles(
@@ -320,6 +340,33 @@ function cleanPlatformFolders(outputPath /*:string*/) {
   });
 }
 
+function extractDestinationFromPath(symbolPath /*: string */) /*: string */ {
+  if (symbolPath.includes('iphoneos')) {
+    return 'iphoneos';
+  }
+
+  if (symbolPath.includes('iphonesimulator')) {
+    return 'iphonesimulator';
+  }
+
+  if (symbolPath.includes('maccatalyst')) {
+    return 'catalyst';
+  }
+
+  throw new Error(
+    `Impossible to extract destination from ${symbolPath}. Valid destinations are iphoneos, iphonesimulator and catalyst.`,
+  );
+}
+
+function signXCFramework(
+  identity /*: string */,
+  xcframeworkPath /*: string */,
+) {
+  console.log('Signing XCFramework...');
+  const command = `codesign --timestamp --sign "${identity}" ${xcframeworkPath}`;
+  execSync(command, {stdio: 'inherit'});
+}
+
 module.exports = {
   buildXCFrameworks,
 };