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A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA [1] mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks.
A typical SIM card (mini-SIM with micro-SIM cutout) A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).
SOS is a Morse code distress signal ( ), used internationally, originally established for maritime use.In formal notation SOS is written with an overscore line (SOS), to indicate that the Morse code equivalents for the individual letters of "SOS" are transmitted as an unbroken sequence of three dots / three dashes / three dots, with no spaces between the letters. [1]
A nano sim used in mobile phones. One of the key features of GSM is the Subscriber Identity Module, commonly known as a SIM card. The SIM is a detachable smart card [2] containing a user's subscription information and phone book. This allows users to retain their information after switching handsets.
BlackBerry implemented some of the features of BlackBerry 10 within Android, such as BlackBerry Hub, BlackBerry Virtual Keyboard, BlackBerry Calendar, and BlackBerry Contacts. [ 142 ] On July 26, 2016, a mid-range model with only an on-screen keyboard was introduced, the slim BlackBerry DTEK50 , powered by the then-latest version of Android (6. ...
In 2G networks, the SIM card and SIM application were bound together, so that "www SIM card" could mean the physical card, or any physical card with the SIM application. In a GSM network, the UICC contains a SIM application and in a UMTS network, it contains a USIM application. A UICC may contain several applications, making it possible for the ...
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BlackBerry Balance, with which the user can separate personal from work data, if enabled by the device's enterprise server. The user can switch between two workspaces, each with their own applications, files and accounts. BlackBerry Link, with which the user can synchronize data between the device and a computer, update the device or make backups.