No remote access in Home app in IOS11

Allow remote access and edit permissions for users

If you set up a home hub, you can manage remote access and edit permissions for people that you invite to control your home. If you don't have a home hub set up, they can only control your accessories while they're at your home, connected to your home Wi-Fi network, and within range of your HomeKit accessories.

To manage remote access and change permissions for a person, invite the person to control your home. Then follow these steps:

1. Open Home and tap .
2. Tap the person that you want to edit permissions for.
3. Set the following access for your user:
   • Allow Remote Access: Turn on to allow users to control your accessories from any location. Turn off to allow users to only control your accessories while they're at your house.
   • Allow Editing: Turn on to allow them to add and remove accessories, scenes, and other users.

If you want to remove a person, tap , tap the user, then tap Remove Person.

Get help with your home hub

If you have issues creating automations or controlling your HomeKit accessories when you're not home, follow these steps:

1. Make sure that your Apple TV or iPad is:
   • Connected to the Internet and on the same Wi-Fi network as your other iOS devices during set up
   • Updated with the latest version of tvOS or iOS
   • Signed in to iCloud with the same Apple ID with two-factor authentication enabled
2. Make sure that you can control your accessories in the Home app on your iOS device. Open the Home app and turn on a light or change the temperature.
3. Make sure that your device is set up as a home hub:
   • On your Apple TV, go to Settings > Accounts > iCloud and make sure that your Apple TV shows HomeKit as Connected. If you don’t see HomeKit, then your Apple TV isn't connected as a home hub.
   • On your iPad, go to Settings > Home and make sure that Use this iPad as a Home Hub is turned on.
4. Restart your Apple TV, iPad, and iPhone.
5. Wait a few minutes. If you still need help, sign out of iCloud on your Apple TV, then sign back in. Go to Settings > Accounts > iCloud.

If you have an Apple TV (3rd generation)*, you can control your HomeKit accessories in the Home app while you’re away from your home. To change user permissions, create automations, or stream HomeKit-enabled cameras remotely, you need an Apple TV (4th generation). If you add an Apple TV (4th generation) to a home that has an Apple TV (3rd generation) set up, the Apple TV (3rd generation) will stop being used for HomeKit remote access.

*Apple TV (3rd generation) doesn't support remote access to HomeKit-enabled cameras.

Get help with location-based automations

If you can't create location-based automations, follow these steps:

On your iPhone, iPad, or iPod touch:

1. Go to Settings > Privacy and make sure that you turn on Location Services.
2. Scroll down, then tap Home.
3. Under Allow Location Access, make sure While Using the App is selected.

On your Apple TV:

1. Go to Settings > General > Privacy and make sure that Location Services is turned on.
2. Select Location Services.
3. Make sure that HomeKit is set to Always.
4. 
   

I have checked all these settings, but my Leviton smart switches still cannot be controlled outside home. I have a Apple TV connected for home kit