diff --git a/src/utils/qdl.js b/src/utils/qdl.js
index 509bd4b..7d063b9 100644
--- a/src/utils/qdl.js
+++ b/src/utils/qdl.js
@@ -344,7 +344,9 @@ export class QdlManager {
     if (this.error !== Error.NONE) return
     await this.downloadImages()
     if (this.error !== Error.NONE) return
+    const start = performance.now();
     await this.flashDevice()
+    console.debug(`Flashing took ${((performance.now() - start) / 1000).toFixed(2)}s`)
     if (this.error !== Error.NONE) return
     await this.eraseDevice()
   }