diff --git a/meshtastic/mesh.proto b/meshtastic/mesh.proto
index d7f6647..4d17449 100644
--- a/meshtastic/mesh.proto
+++ b/meshtastic/mesh.proto
@@ -865,6 +865,11 @@ enum HardwareModel {
    */
   MINI_EPAPER_S3 = 125;
 
+  /*
+   * LilyGo T-Display S3 Pro LR1121
+   */
+  TDISPLAY_S3_PRO  = 126;
+
   /*
    * ------------------------------------------------------------------------------------------------------------------------------------------
    * Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.