Abstract: Various embodiments relate to a method and an electronic device for installing a subscriber profile. The method includes obtaining network operator-related information. The method also includes identifying whether download of an embedded subscriber identity module (eSIM) profile is allowed based on the network operator-related information. The method further includes downloading the eSIM profile when download of the eSIM profile is allowed.

Abstract: Various embodiments relate to a method and an electronic device for installing a subscriber profile. The method includes obtaining network operator-related information. The method also includes identifying whether download of an embedded subscriber identity module (eSIM) profile is allowed based on the network operator-related information. The method further includes downloading the eSIM profile when download of the eSIM profile is allowed.

Abstract: An apparatus for treating waste water including: a first flocculation tank to which a first flocculant is provided to produce a first flocculated material in which fluorine in waste water introduced from a waste water storage part is coagulated; a second flocculation tank to which a second flocculant and carbon dioxide are provided to produce a second flocculated material in which the first flocculated material and residual fluorine in first outflow water introduced from the first flocculation tank are flocculated; a third flocculation tank to which a third flocculant is provided to produce a third flocculated material in which the first flocculated material and the second flocculated material in second outflow water introduced from the second flocculation tank are flocculated; a first sedimentation tank in which third outflow water introduced from the third flocculation tank is solid-liquid separated into first sludge containing the third flocculated material and first supernatant water; a nitrification tank

Abstract: According to various embodiments, an electronic device comprises: a communication circuit; a first subscriber identification module (SIM) comprising subscriber identification circuitry and including information for providing a first communication service; a memory; and at least one processor operatively coupled to the communication circuit, the first SIM, and the memory, wherein the memory can store instructions that when executed, cause the at least one processor to: check whether first SIM (SIM) data cached in the memory being valid in association with the information for providing the first communication service of the first SIM at initialization based on the first SIM; perform initialization associated with the first SIM using the first cached SIM data based on the first cached SIM data being valid; and perform initialization based on the first SIM using the first SIM data associated with the information for providing the first communication service from the first SIM based on the first cached SIM data no

Abstract: Various embodiments relate to a method and an electronic device for installing a subscriber profile. The method includes obtaining network operator-related information. The method also includes identifying whether download of an embedded subscriber identity module (eSIM) profile is allowed based on the network operator-related information. The method further includes downloading the eSIM profile when download of the eSIM profile is allowed.

Abstract: Various embodiments relate to a method and an electronic device for installing a subscriber profile. The method includes obtaining network operator-related information. The method also includes identifying whether download of an embedded subscriber identity module (eSIM) profile is allowed based on the network operator-related information. The method further includes downloading the eSIM profile when download of the eSIM profile is allowed.

Abstract: Various embodiments of the present invention relate to an access control method for a smart card and an electronic device using the same, the method comprising the steps in which: a processor refreshes the smart card to update identification information when the electronic device is located in a predetermined region; the processor stores, in a memory, information before the identification information is updated; the processor stores the updated identification information in smart card information of the smart card; the processor checks whether identification information before the update is stored in the memory when the updated identification information is included in blacklist information of the memory; the processor determines whether the identification information before the update is included in the blacklist information; and the processor allows an access to the smart card, when the identification information before the update is not included in the blacklist information, such that a user normally buyin

Abstract: Various embodiments relate to a method and an electronic device for installing a subscriber profile. The method includes obtaining network operator-related information. The method also includes identifying whether download of an embedded subscriber identity module (eSIM) profile is allowed based on the network operator-related information. The method further includes downloading the eSIM profile when download of the eSIM profile is allowed.

Abstract: A method and apparatus that can restrict use of an electronic device in a specific region is provided. The method includes detecting a triggering event initiating operation of an electronic device; obtaining, upon detection of the triggering event, identification information related to the electronic device; comparing the identification information with a preset list; and enforcing usage restriction of the electronic device when the identification information is present on the preset list.