Few things break a developer's flow like a build that succeeds during compilation but fails specifically during installation on a physical device. You have likely encountered a generic alert stating "Unable to install the app," accompanied by the "Details" expansion revealing the true culprit: Error -402620395: A valid provisioning profile for this executable was not found. This error is common, notoriously vague, and almost exclusively happens when moving from the iOS Simulator to a physical iPhone or iPad. Below is the technical root cause analysis and the definitive fix for this code signing mismatch. The Root Cause: Entitlements Mismatch To fix this efficiently, you must understand what iOS is rejecting. The error is rarely about the profile being "missing" in the literal sense; it is usually present but invalid for the current operation . When you click "Run" in Xcode, two distinct actions occur: Installation: installd moves the b...
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