iPhone indicate [peer failed to respond to ATT value indication]

RE: iPhone indicate [peer failed to respond to ATT value indication]

Louise — Thu, 23 Feb 2023 14:58:09 GMT

We have seen the same issue, but on nrf52832 (s132 v6.0.0) we have used the ancs example. Doing a new discovery does not help only a rebond seem to help.

I could not capture it with the sniffer as it always missed the bonding

RE: iPhone indicate [peer failed to respond to ATT value indication]

Kenneth — Wed, 25 Jan 2023 09:58:54 GMT

A sniffer log of working with ios15 vs working/failing with ios16 would be helpful to at least narrow down the cause, but if I were to guess it may be related to some issues of handling of system attributes (e.g. retaining cccd values with handles) when iOS is updating, I think it's little that can be done in situations like this other than rebond. But an on-air sniffer log would as mention be helpful to narrow it down.

Kenneth

RE: iPhone indicate [peer failed to respond to ATT value indication]

netdigger — Wed, 25 Jan 2023 09:05:58 GMT

Did you get anywhere on this issue? We're seeing it as well, and it is so hard to reproduce since you have to upgrade from iOS 15 to iOS 16 to trigger it

RE: iPhone indicate [peer failed to respond to ATT value indication]

Shi_Jim — Tue, 29 Nov 2022 08:43:03 GMT

thanks~

RE: iPhone indicate [peer failed to respond to ATT value indication]

Kenneth — Tue, 29 Nov 2022 08:27:59 GMT

A sniffer log would help, but based on the issue is related to value indication I assume the following two message sequence charts are related:
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.s340.api.v6.1.1%2Fgroup___b_l_e___g_a_t_t_s___h_v_i___m_s_c.html
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.s340.api.v6.1.1%2Fgroup___b_l_e___g_a_t_t_c___h_v_i___m_s_c.html

Kenneth

RE: iPhone indicate [peer failed to respond to ATT value indication]

Shi_Jim — Tue, 29 Nov 2022 01:16:24 GMT

RE: iPhone indicate [peer failed to respond to ATT value indication]

Kenneth — Mon, 28 Nov 2022 14:24:40 GMT

Hello,

I am not aware of any issues no, I suggest to get an on-air sniffer log so I can take a look:
https://www.nordicsemi.com/Products/Development-tools/nrf-sniffer-for-bluetooth-le
https://infocenter.nordicsemi.com/topic/ug_sniffer_ble/UG/sniffer_ble/intro.html

Best regards,
Kenneth