As my company is a member of the Apple MFi licensing program, I asked for Apple support and I received the answer below.
In response to your request below, there is presently no support for implementing the bluetooth reconnection process from the device side after an existing connection has been broken. This would be an API enhancement request which you can submit using the Apple Developer feedback assistant web page https://feedbackassistant.apple.com One option would be for the accessory to handle the reconnection process itself as this is a supported bluetooth option. However, I understand if for power conservation reasons, this is not supported accessory option.
It means, there is no way, yet, to implement it from the App side. if you need that, you need to do it on the Device side.
We can submit feedback for the Apple, using the Apple Developer feedback assistant web page - https://feedbackassistant.apple.com to ask them to create it
mromer
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Winnipeg, MB, Canada
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Does anyone solve it "We are facing the same issue with our app and our app communicates with an MFI device bluetooth classic. Is there a way for our app to 'force' the reconnection after the device has been disconnected?"
BTW, the showbluetoothaccessorypickerwith is not an option for me. I need to reconnect without any user interaction.
Thank you,
Mauro Romer