diff --git a/internal/app/handlers.go b/internal/app/handlers.go
index d8254864..b6bf5d67 100644
--- a/internal/app/handlers.go
+++ b/internal/app/handlers.go
@@ -37,6 +37,31 @@ const (
 	maxRequestSize = 7000000000
 )
 
+func parseUAVersion(ua string) (program string, version float64, build uint64) {
+	flds := strings.Fields(ua)
+	ua_text := strings.Split(flds[0], "/")
+
+	program = ua_text[0]
+
+	if len(ua_text) >= 2 {
+		ua_version := strings.Split(ua_text[1], ".")
+
+		for i, v := range ua_version {
+			if n, err := strconv.ParseUint(v, 10, 64); err == nil {
+				if i == 3 {
+					build = n
+				} else if i == 0 {
+					version += float64(n)
+				} else {
+					version += float64(n) / 1000.0 * float64(i)
+				}
+			}
+		}
+	}
+
+	return
+}
+
 func (app *App) getDeviceClaims(c *gin.Context) (*DeviceClaims, error) {
 	token, err := common.GetToken(c)
 	if err != nil {
@@ -146,8 +171,14 @@ func (app *App) newUserToken(c *gin.Context) {
 	scopes := []string{"intgr", "screenshare", "hwcmail:-1", "mail:-1"}
 
 	if user.Sync15 {
-		log.Info("Using sync 1.5")
-		scopes = append(scopes, syncNew)
+		_, uaversion, _ := parseUAVersion(c.Request.Header.Get("user-agent"))
+		if uaversion == 0.0 || uaversion > 3.006 {
+			log.Info("Using sync 1.5 fox")
+			scopes = append(scopes, syncNew3)
+		} else {
+			log.Info("Using sync 1.5 tortoise (consider upgrading your rm/app)")
+			scopes = append(scopes, syncNew)
+		}
 	} else {
 		scopes = append(scopes, syncDefault)
 	}
@@ -759,6 +790,21 @@ func (app *App) syncGetRootV3(c *gin.Context) {
 	})
 }
 
+func (app *App) blobStorageRead(c *gin.Context) {
+	uid := c.GetString(userIDKey)
+	blobID := common.ParamS(fileKey, c)
+
+	reader, _, size, err := app.blobStorer.LoadBlob(uid, blobID)
+	if err != nil {
+		log.Error(err)
+		c.AbortWithStatus(http.StatusInternalServerError)
+		return
+	}
+	defer reader.Close()
+
+	c.DataFromReader(http.StatusOK, size, "application/octet-stream", reader, nil)
+}
+
 func (app *App) integrationsGetMetadata(c *gin.Context) {
 	var metadata messages.IntegrationMetadata
 	metadata.Thumbnail = ""
diff --git a/internal/app/middleware.go b/internal/app/middleware.go
index e27b8bd1..fbbda093 100644
--- a/internal/app/middleware.go
+++ b/internal/app/middleware.go
@@ -18,6 +18,7 @@ const (
 	requestLog  = "[requestlogging-middleware]"
 	syncDefault = "sync:default"
 	syncNew     = "sync:tortoise"
+	syncNew3    = "sync:fox"
 )
 
 func (app *App) authMiddleware() gin.HandlerFunc {
@@ -35,7 +36,7 @@ func (app *App) authMiddleware() gin.HandlerFunc {
 
 		var isSync15 = false
 		for _, s := range scopes {
-			if s == syncNew {
+			if s == syncNew || s == syncNew3 {
 				isSync15 = true
 				break
 			}
diff --git a/internal/app/routes.go b/internal/app/routes.go
index 88d49b36..aaea2454 100644
--- a/internal/app/routes.go
+++ b/internal/app/routes.go
@@ -130,5 +130,6 @@ func (app *App) registerRoutes(router *gin.Engine) {
 
 		authRoutes.GET("/sync/v3/root", app.syncGetRootV3)
 		authRoutes.PUT("/sync/v3/root", app.syncUpdateRootV3)
+		authRoutes.GET("/sync/v3/files/:"+fileKey, app.blobStorageRead)
 	}
 }