Thanks. This is a change in how wi-fi works. A rather strane one. Any logic behind it?
https://support.apple.com/en-us/HT208086
Use Bluetooth and Wi-Fi in Control Center with iOS 11
Learn how to control Wi-Fi and Bluetooth from Control Center on your iPhone, iPad, and iPod touch with iOS 11 and later.
About Wi-Fi and Bluetooth
In iOS 11 and later, when you toggle the Wi-Fi or Bluetooth buttons in Control Center, your device will immediately disconnect from Wi-Fi and Bluetooth accessories. Both Wi-Fi and Bluetooth will continue to be available, so you can use these important features:
- AirDrop
- AirPlay
- Apple Pencil
- Apple Watch
- Continuity features, like Handoff and Instant Hotspot
- Instant Hotspot
- Location Services
Disconnect from Wi-Fi networks
Open Control Center and tap
. The icon will dim and your device will disconnect from any network that you're connected to.
While Wi-Fi is disabled, auto-join for any nearby Wi-Fi networks will also be disabled until:
- You turn on Wi-Fi in Control Center.
- You connect to a Wi-Fi network in Settings > Wi-Fi.
- You walk or drive to a new location.
- It's 5 AM local time.
- You restart your device.
Disconnect from Bluetooth accessories
Open Control Center and tap
. The icon will dim and your device will disconnect from any accessory it's connected to, except for Apple Watch, Instant Hotspot, Apple Pencil, and Continuity features, like Handoff.
If Bluetooth is turned off, you won’t be able to connect your iOS device to your Bluetooth accessories until:
- You turn on Bluetooth in Control Center.
- You connect to a Bluetooth accessory in Settings > Bluetooth.
- It's 5 AM local time.
- You restart your device.
Turn off Wi-Fi and Bluetooth
If you want to completely disable Wi-Fi and Bluetooth for all networks and devices, follow these steps:
- To turn off Wi-Fi, go to Settings > Wi-Fi and turn off Wi-Fi.
- To turn off Bluetooth, go to Settings > Bluetooth and turn off Bluetooth.
For the best experience on your iOS device, try to keep Wi-Fi and Bluetooth turned on.
