diff --git a/src/activities/util/BmpViewerActivity.cpp b/src/activities/util/BmpViewerActivity.cpp
index 62a02ce67..37fa8fe19 100644
--- a/src/activities/util/BmpViewerActivity.cpp
+++ b/src/activities/util/BmpViewerActivity.cpp
@@ -61,7 +61,7 @@ void BmpViewerActivity::onEnter() {
       GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
       // Single pass for non-grayscale images
 
-      renderer.displayBuffer(HalDisplay::FULL_REFRESH);
+      renderer.displayBuffer(HalDisplay::HALF_REFRESH);
 
     } else {
       // Handle file parsing error
@@ -69,7 +69,7 @@ void BmpViewerActivity::onEnter() {
       renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2, "Invalid BMP File");
       const auto labels = mappedInput.mapLabels(tr(STR_BACK), "", "", "");
       GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
-      renderer.displayBuffer(HalDisplay::FAST_REFRESH);
+      renderer.displayBuffer(HalDisplay::HALF_REFRESH);
     }
 
     file.close();
@@ -79,14 +79,14 @@ void BmpViewerActivity::onEnter() {
     renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2, "Could not open file");
     const auto labels = mappedInput.mapLabels(tr(STR_BACK), "", "", "");
     GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
-    renderer.displayBuffer(HalDisplay::FULL_REFRESH);
+    renderer.displayBuffer(HalDisplay::HALF_REFRESH);
   }
 }
 
 void BmpViewerActivity::onExit() {
   Activity::onExit();
   renderer.clearScreen();
-  renderer.displayBuffer(HalDisplay::FAST_REFRESH);
+  renderer.displayBuffer(HalDisplay::HALF_REFRESH);
 }
 
 void BmpViewerActivity::loop() {