Are you clueless about how to fix no service iPhone error? Are your iPhone signals dropping or showing no service after an update? Well, iDevices could malfunction after an iOS firmware update because the OS needs some time to settle down and revamp operations for the latest framework, and things might go wrong sometimes.
Perhaps it could be an issue with hardware, but that’s rare with a software update. Issues with software can be solved with tweaks or patches. No signal, always searching or signal drop issues aren’t always due to hardware or software issues and might be due to some contextual issues. Anyway, you need to know how to fix no service on iPhone.