The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 2021
Filed:
Sep. 27, 2018
Sprint Communications Company L.p., Overland Park, KS (US);
Dhananjay Indurkar, Overland Park, KS (US);
T-MOBILE INNOVATIONS LLC, Overland Park, KS (US);
Abstract
A mobile communication device. The mobile communication device comprises a cellular radio transceiver, a radio modem communicatively comprising a radio modem processor, a radio modem non-transitory memory, and a security client application stored in the radio modem non-transitory memory. When executed by the radio modem processor, the security client application builds a device unlock request comprising an encrypted word, transmits the device unlock request via the cellular radio transceiver, receives a device unlock command via the cellular radio transceiver comprising a second encrypted word, decrypts the second encrypted word wherein the decryption of the second encrypted word comprises a digital signature, determines that the digital signature is valid, stores a device unlock state value in the radio modem non-volatile memory, and, configures a device unlocked policy into the radio modem, whereby the mobile communication device is configured to an international unlocked operation mode or a domestic unlocked operation mode.