diff --git a/tasmota/xlgt_04_sm2135.ino b/tasmota/xlgt_04_sm2135.ino
index dd766ab33..92d1d5059 100644
--- a/tasmota/xlgt_04_sm2135.ino
+++ b/tasmota/xlgt_04_sm2135.ino
@@ -182,21 +182,12 @@ void Sm2135ModuleSelected(void)
     Sm2135.clk = Pin(GPIO_SM2135_CLK);
     Sm2135.data = Pin(GPIO_SM2135_DAT, GPIO_ANY);
 
-    Sm2135.model = SM2135_WCGRB;
+    Sm2135.model = GetPin(Sm2135.data) - AGPIO(GPIO_SM2135_DAT);  // 0 .. 3
     if (PinUsed(GPIO_SWT1)) {
       Sm2135.model = SM2135_WCBGR;
       pinMode(Pin(GPIO_SWT1), INPUT);             // Discard GPIO_SWT functionality
       SetPin(Pin(GPIO_SWT1), AGPIO(GPIO_NONE));
     }
-    if (PinUsed(GPIO_SM2135_DAT, 1)) {
-      Sm2135.model = SM2135_WCBGR;
-    }
-    if (PinUsed(GPIO_SM2135_DAT, 2)) {
-      Sm2135.model = SM2135_WCGRBHI;
-    }
-    if (PinUsed(GPIO_SM2135_DAT, 3)) {
-      Sm2135.model = SM2135_WCBGRHI;
-    }
 
 //                    RGB current         CW current
     Sm2135.current = (SM2135_20MA << 4) | SM2135_15MA;  // See https://github.com/arendst/Tasmota/issues/6495#issuecomment-549121683