[Samsung Galaxy Watch 4] adfree:
<?xml version="1.0" encoding="utf-8" standalone="no"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" android:compileSdkVersion="30" android:compileSdkVersionCodename="11" android:sharedUserId="android.uid.phone" package="com.samsung.android.cidmanager" platformBuildVersionCode="30" platformBuildVersionName="11">
<uses-feature android:name="android.hardware.type.watch"/>
<uses-permission android:name="com.sec.phone.permission.SEC_FACTORY_PHONE"/>
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
<uses-permission android:name="android.permission.MASTER_CLEAR"/>
<uses-permission android:name="android.permission.REBOOT"/>
<uses-permission android:name="com.samsung.permission.SHOW_MASTER_CLEAR_SETTINGS"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission android:name="android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE"/>
<uses-permission android:name="android.permission.DELETE_PACKAGES"/>
<uses-permission android:name="android.permission.CLEAR_APP_USER_DATA"/>
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<uses-permission android:name="android.permission.INTERACT_ACROSS_USERS"/>
<uses-permission android:name="com.sec.permission.preconfig"/>
<uses-permission android:name="com.samsung.android.wearable.setupwizard.permission.RECEIVE_SETUPWIZARD_COMPLETED"/>
<application android:allowBackup="false" android:appComponentFactory="android.support.v4.app.CoreComponentFactory" android:defaultToDeviceProtectedStorage="true" android:directBootAware="true" android:enabled="true" android:extractNativeLibs="false" android:label="@string/app_name" android:supportsRtl="true" android:usesNonSdkApi="true">
<activity android:label="preconfig" android:name="com.samsung.android.cidmanager.preconfig.PreconfigActivity" android:noHistory="true" android:permission="com.sec.permission.preconfig" android:screenOrientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.DEVELOPMENT_PREFERENCE"/>
</intent-filter>
</activity>
<receiver android:name="com.samsung.android.cidmanager.receiver.WCIDManagerReceiver">
<intent-filter android:priority="999">
<action android:name="android.intent.action.SIM_STATE_CHANGED"/>
</intent-filter>
<intent-filter>
<action android:name="com.samsung.android.wearable.setupwizard.action.SETUPWIZARD_COMPLETE"/>
<action android:name="com.samsung.android.wearable.sysui.action.TUTORIAL_COMPLETED"/>
</intent-filter>
</receiver>
<receiver android:name="com.samsung.android.cidmanager.receiver.PreconfigReceiver" android:permission="com.sec.permission.preconfig">
<intent-filter>
<action android:name="com.samsung.android.action.SECRET_CODE"/>
<data android:host="\ 83052020100812173552301071192687" android:scheme="android_secret_code"/>
<data android:host="27262826" android:scheme="android_secret_code"/>
<data android:host="\ 22623277326634424320" android:scheme="android_secret_code"/>
<data android:host="\ 272837883" android:scheme="android_secret_code"/>
</intent-filter>
<intent-filter>
<action android:name="com.samsung.intent.action.CHAMELEON_PRECONFIG"/>
<data android:host="\ 3472867046185743" android:scheme="android_secret_code"/>
</intent-filter>
</receiver>
<service android:name="com.samsung.android.cidmanager.service.WCIDManagerService" android:process="com.android.phone"/>
<service android:name="com.samsung.android.cidmanager.service.SimStateIntentService" android:process="com.android.phone"/>
<service android:exported="true" android:name="com.samsung.android.cidmanager.service.PreconfigService" android:permission="com.sec.permission.preconfig"/>
<uses-library android:name="sec_platform_library"/>
</application>
</manifest>

Decompiled CIDManager from GVH2...

com.samsung.android.cidmanager

Hmmm... what is this?

android:name="com.samsung.intent.action.CHAMELEON_PRECONFIG"/>

<data android:host="\ 3472867046185743" android:scheme="android_secret_code"/>