Perhaps, Bluetooth is one of the easiest wireless technologies. To use it, you will need minimum knowledge. However, sometimes there are problems with this module. In this case, it will be necessary to have some knowledge to resolve them. Anyone can do it. In this video, you can see how to make the Bluetooth Recovery on Android.
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Link to this video https://www.youtube.com/watch?v=gBkCNcnUmxY