Pairing Failed with the device which sets LinkKey bit at LE Key Distribution on Pairing Request.

CD — 星期五,6月2016 04:26:07 + 0000

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Dialog Smartbond Bluetooth Low Energy – Software

Hi,

When DA14583 connects to Xperia Android 6.0 device, we got "Pairing Failed" from DA14583.

The issue seems to be related with the LinkKey bit at LE Key Distribution on Pairing Request. This bit is added in Bluetooth Core Spec. Version 4.2, and it was reserved bit in 4.0 and 4.0.
When we tested Pairing sequence using Nexus 6 (android 6.0), the pairing worked well because Nexus 6 doesn't use LinkKey bit. (I believe Xperia's implements is right. Because Xperia expose it use version 4.2.)

I think this procedure was handled by SDK, so could you check it?
I attached detail information, so could you check them please?

Best Regards,
CD

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Dialog Semiconductor customer support - Pairing Failed

Pairing Failed with the device which sets LinkKey bit at LE Key Distribution on Pairing Request.