diff --git a/docs/react/your-first-app/5-adding-mobile.md b/docs/react/your-first-app/5-adding-mobile.md
index eef40b7a333..fa1799da9d1 100644
--- a/docs/react/your-first-app/5-adding-mobile.md
+++ b/docs/react/your-first-app/5-adding-mobile.md
@@ -14,7 +14,7 @@ First, we’ll update the photo saving functionality to support mobile. In the `
 
 ```tsx
 const savePicture = async (photo: Photo, fileName: string): Promise<UserPhoto> => {
-  let base64Data: string;
+  let base64Data: string | Blob;
   // "hybrid" will detect Cordova or Capacitor;
   if (isPlatform('hybrid')) {
     const file = await Filesystem.readFile({
diff --git a/docs/vue/your-first-app/5-adding-mobile.md b/docs/vue/your-first-app/5-adding-mobile.md
index 4253e239d94..61a1a51191d 100644
--- a/docs/vue/your-first-app/5-adding-mobile.md
+++ b/docs/vue/your-first-app/5-adding-mobile.md
@@ -17,7 +17,7 @@ In the `savePicture` function, check which platform the app is running on. If it
 
 ```tsx
 const savePicture = async (photo: Photo, fileName: string): Promise<UserPhoto> => {
-  let base64Data: string;
+  let base64Data: string | Blob;
   // "hybrid" will detect mobile - iOS or Android
   if (isPlatform('hybrid')) {
     const file = await Filesystem.readFile({
diff --git a/versioned_docs/version-v7/react/your-first-app/5-adding-mobile.md b/versioned_docs/version-v7/react/your-first-app/5-adding-mobile.md
index eef40b7a333..fa1799da9d1 100644
--- a/versioned_docs/version-v7/react/your-first-app/5-adding-mobile.md
+++ b/versioned_docs/version-v7/react/your-first-app/5-adding-mobile.md
@@ -14,7 +14,7 @@ First, we’ll update the photo saving functionality to support mobile. In the `
 
 ```tsx
 const savePicture = async (photo: Photo, fileName: string): Promise<UserPhoto> => {
-  let base64Data: string;
+  let base64Data: string | Blob;
   // "hybrid" will detect Cordova or Capacitor;
   if (isPlatform('hybrid')) {
     const file = await Filesystem.readFile({
diff --git a/versioned_docs/version-v7/vue/your-first-app/5-adding-mobile.md b/versioned_docs/version-v7/vue/your-first-app/5-adding-mobile.md
index 4253e239d94..61a1a51191d 100644
--- a/versioned_docs/version-v7/vue/your-first-app/5-adding-mobile.md
+++ b/versioned_docs/version-v7/vue/your-first-app/5-adding-mobile.md
@@ -17,7 +17,7 @@ In the `savePicture` function, check which platform the app is running on. If it
 
 ```tsx
 const savePicture = async (photo: Photo, fileName: string): Promise<UserPhoto> => {
-  let base64Data: string;
+  let base64Data: string | Blob;
   // "hybrid" will detect mobile - iOS or Android
   if (isPlatform('hybrid')) {
     const file = await Filesystem.readFile({