Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 6, 2021
Patent Application Number
16262559
Date Filed
January 30, 2019
Patent Citations
Patent Primary Examiner
Patent abstract
A permissioned blockchain can be a decentralized data store that maintains information indicating whether user equipment (UE) is SIM locked and/or should be disabled. A UE can access the blockchain during boot up to determine if it should be disabled and not booted into a normal operating environment, and/or whether it is SIM locked to a particular carrier. Authorized entities, such as carriers and UE manufacturers, can update the blockchain to indicate that certain UEs should be disabled, are SIM locked, are not SIM locked, and/or whether it is permissible to remove SIM locks from those UEs.
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