diff --git a/src/graphics/SharedUIDisplay.cpp b/src/graphics/SharedUIDisplay.cpp
index b47945f93..b1c06746c 100644
--- a/src/graphics/SharedUIDisplay.cpp
+++ b/src/graphics/SharedUIDisplay.cpp
@@ -10,9 +10,23 @@
 namespace graphics
 {
 
+void determineResolution(int16_t screenheight, int16_t screenwidth)
+{
+    if (screenwidth > 128) {
+        isHighResolution = true;
+    }
+
+    // Special case for Heltec 1.1
+    if (screenwidth == 160 && screenheight == 80) {
+        isHighResolution = false;
+    }
+}
+
 // === Shared External State ===
 bool hasUnreadMessage = false;
 bool isMuted = false;
+bool isHighResolution = false;
+determineResolution(160, 80);
 
 // === Internal State ===
 bool isBoltVisibleShared = true;
diff --git a/src/graphics/SharedUIDisplay.h b/src/graphics/SharedUIDisplay.h
index 41411ba7f..1c07c7cc7 100644
--- a/src/graphics/SharedUIDisplay.h
+++ b/src/graphics/SharedUIDisplay.h
@@ -41,6 +41,8 @@ namespace graphics
 // Shared state (declare inside namespace)
 extern bool hasUnreadMessage;
 extern bool isMuted;
+extern bool isHighResolution;
+void determineResolution(int16_t screenheight, int16_t screenwidth);
 
 // Rounded highlight (used for inverted headers)
 void drawRoundedHighlight(OLEDDisplay *display, int16_t x, int16_t y, int16_t w, int16_t h, int16_t r);