diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 907b672df..5a0e95728 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -8,15 +8,15 @@ on:
     branches:
       - develop
 
+permissions:
+  contents: read
+  pull-requests: write
+
 jobs:
   build:
     # develop push는 허용, develop으로의 PR 중 release/* 브랜치에서 온 PR만 허용
     if: >
-      github.event_name == 'push' ||
-      (
-        github.event_name == 'pull_request' &&
-        startsWith(github.event.pull_request.head.ref, 'release/')
-      )
+      github.event_name == 'push' || github.event_name == 'pull_request'
     runs-on: ubuntu-latest
 
     steps:
@@ -70,50 +70,52 @@ jobs:
       run: chmod +x gradlew
 
     - name: Assemble Debug APK
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
       run: ./gradlew assembleDebug
 
-    - name: Assemble Release APK
-      run: ./gradlew assembleRelease
-
     - name: Upload Debug APK artifact
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
       uses: actions/upload-artifact@v4
       with:
         name: debug-apk
         path: app/build/outputs/apk/debug/*.apk
 
+    - name: Assemble Release APK
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
+      run: ./gradlew assembleRelease
+
     - name: Upload Release APK artifact
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
       uses: actions/upload-artifact@v4
       with:
         name: release-apk
         path: app/build/outputs/apk/release/*.apk
-    - name: Install Firebase CLI
-      if: >
-        github.event_name == 'pull_request' &&
-        github.event.action == 'opened' &&
-        startsWith(github.event.pull_request.head.ref, 'release/')
-      run: |
-        npm i -g firebase-tools
 
-    - name: Distribute Debug APK to Firebase App Distribution
+      # Release만 Firebase 배포
+    - name: Install Firebase CLI
       if: >
         github.event_name == 'pull_request' &&
-        github.event.action == 'opened' &&
-        startsWith(github.event.pull_request.head.ref, 'release/')
-      env:
-        FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
-        FIREBASE_APP_ID: ${{ secrets.FIREBASE_APP_ID }}
-      run: |
-        firebase appdistribution:distribute app/build/outputs/apk/debug/*.apk \
-          --app "$FIREBASE_APP_ID" \
-          --groups "eat-ssu-android-qa" \
-          --release-notes "Debug | PR #${{ github.event.pull_request.number }}: ${{ github.event.pull_request.title }}" \
-          --token "$FIREBASE_TOKEN"
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
+      run: npm i -g firebase-tools
 
     - name: Distribute Release APK to Firebase App Distribution
       if: >
         github.event_name == 'pull_request' &&
-        github.event.action == 'opened' &&
-        startsWith(github.event.pull_request.head.ref, 'release/')
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
       env:
         FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
         FIREBASE_APP_ID: ${{ secrets.FIREBASE_APP_ID }}
@@ -123,3 +125,29 @@ jobs:
           --groups "eat-ssu-android-qa" \
           --release-notes "Release | PR #${{ github.event.pull_request.number }}: ${{ github.event.pull_request.title }}" \
           --token "$FIREBASE_TOKEN"
+      
+
+      # Debug는 Artifact로만 공유 + PR 코멘트
+    - name: Comment PR with artifact download 안내
+      if: >
+        github.event_name == 'pull_request' &&
+        startsWith(github.event.pull_request.head.ref, 'release/') && 
+        (github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.action == 'reopened')
+      uses: actions/github-script@v7
+      with:
+        script: |
+          const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
+          const body =
+            [
+              `✅ CI 완료`,
+              ``,
+              `- Debug APK: GitHub Actions Artifacts에서 다운로드 (run 링크: ${runUrl})`,
+              `- Release APK: Firebase App Distribution으로 배포됨 (그룹: eat-ssu-android-qa)`,
+            ].join('\n');
+          
+          await github.rest.issues.createComment({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            issue_number: context.payload.pull_request.number,
+            body,
+          });