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Unable to Connect on Android After Connecting Via Bluetooth Device List

We have been having a persistent issue with customers that have Android phones.  Our product uses the nRF SDK and we have a iPhone and Android Web app that is based on Cordova and Ionic.

We connect to our product within the our app without issue.  The problem is sometimes customers go to their Bluetooth Device list on their Android phone and try and connect to our product that way as it appears in the list of devices.  Once this happens then our app can no longer connect to the device on that phone without reseting the networking settings of that phone.  This doesn't happen with iPhones as our product never shows up in the Bluetooth Devices List.

Is it normal for the BLE devices to show in the Bluetooth Devices List on Android devices?  Is there a way to stop it showing up in that list or something else I can do so that it won't allow customers to try and connect that way?

Thanks,

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