Google Pay failed at In-N-Out last night too, this time with a different card. I was going to re-add the previously failing card but decided to try rebooting my phone instead, which seemed to fix the issue when I tried at 85C today. Kinda weird, honestly, and if this was anywhere near common I'd see why people might prefer tapping cards instead of devices.

Also, the 7-Eleven here with MX915s is apparently closing next month for a remodel. I suspect the MX915s will stick around after they reopen, but who knows, they might switch to Ingenico and actually have working contactless (inside, at least) for once.