Disable Samsung Activation Verify to solve -45(2000) error during activation on China Mainland Samsung devices (#446)

userspace/ksud/src/init_event.rs

@@ -117,6 +117,28 @@ pub fn on_post_data_fs() -> Result<()> {
         info!("no mount requested");
     }
 
+    // Disable Samsung Activation Verify
+    if let Some(model) = utils::getprop("ro.product.model") {
+        if model.starts_with("SM-") {
+            info!("Disable Samsung Activation for model {}", model);
+            if Path::new("/system/app/ActivationDevice_V2").exists() {
+                if let Err(e) = std::fs::create_dir_all("/data/local/tmp/ActivationDevice_V2") {
+                    warn!("Failed to create directory: {}", e);
+                } else {
+                    if let Err(e) = mount(
+                        "/data/local/tmp/ActivationDevice_V2",
+                        "/system/app/ActivationDevice_V2",
+                        "none",
+                        MountFlags::BIND,
+                        "",
+                    ) {
+                        warn!("Failed to mount ActivationDevice_V2: {}", e);
+                    }
+                }
+            }
+        }
+    }
+    
     run_stage("post-mount", true);
 
     Ok(())