If you have loaded the app from your iPhone, you have to make sure you disconnect. In addition, it is best to:
1) Turn off the Bluetooth on the iPhone.
2) Enable the widget on the Bangle and restart the Bangle by turning it off in settings and then on again by pressing BTN1.
3) When you reenable Bluetooth on the iPhone, you should then see the Pairing request.
I have not tested it with the cutting edge build yet.
As I point out in the documentation, reconnection is not as reliable with the standard software.
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