diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 84d893de..d979ac0b 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -510,8 +510,8 @@ CPhoneDevice::CPhoneDevice(JavaVM* vm, jobject service, const std::string& appPa
 
     // Reset all powers
     char propValue[PROP_VALUE_MAX] = { 0 };
-    int res = __system_property_get("ro.product.model", propValue);
-    if (res > 0)
+    int propRes = __system_property_get("ro.custom.ota.version", propValue);
+    if (propRes > 0)
     {
         if (!startsWith(propValue, "xinying_WP_"))
         {