There is a problem with your device. Please visit the Service Answer Centre to find answers to all your questions about service options, warranty and other processes in your country. To find your nearest Apple Store, click here. ErrorKey: INVALID_V4_INTEGRITY MessageKey: ALEndPointErrorPage.deviceInfoIntegrityFailed UnbrickReasonDetail: The device failed its V4 integrity check. RKCertification missing. RKSignature missing. serverKP missing. signActRequest missing. Copyright 2019 Apple Inc. All rights reserved. | Privacy Policies | Terms & Conditions Token Reader
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