If you want to turn on/off the notifications for Dual Apps, please refer to the following steps:
1. Go to [Settings] on your phone;
2. Tap [Apps];
3. Tap [Dual apps];
4. Tap the application you want to modify;
5. Tap [Dual app notifications] to set the notifications for Dual Apps.
Notes:
Only some applications support modifying this setting. If you cannot find the relevant settings by following these steps, it means that the Dual App does not support modifying notification settings separately.