Get BLE UUID for iOS pairing

adelinu
Posts: 2
Joined: Sat Jan 16, 2021 9:08 am

Re: Get BLE UUID for iOS pairing

Postby adelinu » Sat Jan 16, 2021 7:31 pm

Thank you both for your answers.
So, as per my understanding, that UUID is generated by iOS based on some hardware property of the BLE device (e.g. MAC address).

Regarding this:
Of course you can write your own code, which can generate similarly guid and create QR code with it, then you can add such guid in advertising packet or do whatever you want with it.

...is there any known code-example for ESP32 that could help me change that original UUID/GUID that iOS generates, to a custom one generated by me?

Thanks,
A.

chegewara
Posts: 1390
Joined: Wed Jun 14, 2017 9:00 pm

Re: Get BLE UUID for iOS pairing

Postby chegewara » Sun Jan 17, 2021 7:13 pm

I doubt you can find it anywhere.

bobolink
Posts: 50
Joined: Mon Feb 26, 2018 4:17 pm

Re: Get BLE UUID for iOS pairing

Postby bobolink » Wed Jan 20, 2021 1:11 pm

So, as per my understanding, that UUID is generated by iOS based on some hardware property of the BLE device (e.g. MAC address).
Probably not. The point is how it was derived is unknowable and probably not deterministic.

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