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A Central Equipment Identity Register (CEIR) is a database of mobile equipment identifiers (IMEI – for networks of GSM standard, MEID – for networks of CDMA standard). Such an identifier is assigned to each SIM slot of the mobile device.
The original "Find My iPhone" app was announced on June 10, 2009 and released in June 2010 alongside iPhone OS 3. At the time, it required a paid subscription to Apple's MobileMe service. [10] It was made free of charge with the iOS 4.2.1 update on November 22, 2010, but only for devices introduced in 2010.
The last number of the IMEI is a check digit, calculated using the Luhn algorithm, as defined in the IMEI Allocation and Approval Guidelines: The Check Digit shall be calculated according to Luhn formula (ISO/IEC 7812). (See GSM 02.16 / 3GPP 22.016). The Check Digit is a function of all other digits in the IMEI.
Get the tools you need to help boost internet speed, send email safely and security from any device, find lost computer files and folders and monitor your credit.
iCloud Mail, a free email address (@icloud.com) which supports Push email, a webmail interface, and IMAP sync to third-party clients; Contacts and calendar syncing, and calendar sharing features, as well as support for CardDAV and CalDAV; iCloud Drive, a cloud storage and syncing feature; iCloud Photos, which stores and syncs pictures in full ...
A virtual base transceiver station (VBTS) [5] is a device for identifying the temporary mobile subscriber identity (TMSI), international mobile subscriber identity (IMSI) of a nearby GSM mobile phone and intercepting its calls, some are even advanced enough to detect the international mobile equipment identity (IMEI).
The iPhone comes with a set of bundled applications developed by Apple, [69] and supports downloading third-party applications through the App Store. [70] Apple provides free updates to iOS over-the-air, or through Finder and iTunes on a computer. [71] Major iOS releases have historically accompanied new iPhone models.
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