Jibe actually will ask iOS for App Attest attestation (this is actually spec, unfortunately: see section 2.11 Client Authenticity in RCC.14) So it is entirely

Jibe actually will ask iOS for App Attest attestation (this is actually spec, unfortunately: see section 2.11 Client Authenticity in RCC.14) So it is entirely plausible that they banned the device, I guess. (Or they could have banned the IMEI, as mentioned)