I'm sure there's a cleverer way to do this, but I'm stupid and I didn't find it after a few minutes of searching stack overflow

src/main.cpp

@@ -608,11 +608,15 @@ void setup()
 #endif
 
 #if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL)
-    if (rgb_found.type != ScanI2C::DeviceType::NONE || UNPHONE) {
+    if (rgb_found.type != ScanI2C::DeviceType::NONE) {
         ambientLightingThread = new AmbientLightingThread(rgb_found.type);
     }
 #endif
 
+#ifdef UNPHONE
+    ambientLightingThread = new AmbientLightingThread(rgb_found.type);
+#endif
+
 #ifdef T_WATCH_S3
     drv.begin();
     drv.selectLibrary(1);