I am working with corebluetooth to connect with bluetooth printer, but I have a problem with ipad2. When I scan device, CBCentralManager always call to centralManagerDidUpdateState with state unsupported and cannot call another delegate method.
Core Bluetooth CBCentralManager always reports state as Unknown on ipad2
364 views Asked by Quân Nguyễn Văn At
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I had the same issue today.
CoreBluetooth works with BLE and Bluetooth 4.0. The iPad 2 does not support BLE, therefore you get an unknown state.