Slow bluetooth connection on ConnectionBuilder.Build

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Hi, I am using Xamarin to create mobile app to print something on a Zebra Mobile Printer ZQ320. In my source code, I did use "ConnectionBuilder.Current.Build ("MAC Address")" to establish the connection among my mobile and the printer. However, I noticed that the single line of code took almost 10 seconds to be completed. Is that a normal time taken to connect the printer? Is there any method to make it faster? Thank you.

Steven Si
Are  you using latest Link-OS

Are  you using latest Link-OS SDK for Xamarin? Make sure to get the latest version from the Nuget.

The ConnectionBuilder.Current.Build() should return fairly quickly. It's job is to open a connection, nothing else. Make sure the printer's Bluetooth has already paired with the Android device.

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