Apple iOS 13 comes with significant improvement such as the Control Center functionality such as the toggle feature, which allows you to change or switch Bluetooth quickly, Bluetooth, Airplane Mode among other small windows over the primary app. Meanwhile, the main focus on iOS 13 is to adopt the Dark Mode, and Network switching allows users to quickly enable Bluetooth without opening the Setting app on your device.
Whereas, the iOS 13 and iPadOS 13 gives you an option to toggle Wi-Fi and Bluetooth Setting to control open setting directly. There were some small changes. Nobody likes to exit their primary app and then open the setting to just open Bluetooth settings on their device. Likely, this feature can be easily accessible with the Control. If you are owned an iPad Pro and iPhone X series, then you need to pull-down from the right to open Control Center, and If you are on Older devices, then you need to pull-up from bottom to access Control Center.
How to Switch or Change Bluetooth Device quickly on iOS 13?

- Open the “Control Center” on your iPad or iPhone.
- Then, touch and hold the four-icon platter to expand.
(It placed on the top-left side of the device, Keep in mind that the long-press is not related to force touch instead it means Haptic touch on iOS 13 replaced with 3D touch.) - Now, the icon for Bluetooth appears alongside Mobile Data, Wi-Fi and Airplane Mode.
- Touch and Long press the
“Bluetooth icon” to open a screen for Bluetooth. - Choose the Bluetooth device and Tap to connect or Switch Bluetooth devices.
(Currently connected Bluetooth device will be at the top on the list of Bluetooth network.) - If you want to switch networks, then click on the network that you want to connect.
(it switches with newer Bluetooth device immediately.) - That’s it.
Open Bluetooth device setting with Control Center Quickly?

It is quite similar to Bluetooth switching but with just a small tweak.