Device: Xiaomi Redmi Note 12 Pro 5GIssue started: Immediately after installing a HyperOS updateAfter the update, the phone completely lost cellular connectivity.It shows no service / no SIM even though the SIM card works perfectly in other phones.What I’m seeing:IMEI shows unknownBaseband version shows unknownMobile data and calls unavailableFactory reset did NOT fix itAPN reset / network reset didn’t helpDifferent SIM...Read more