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2. SIM Application Toolkit - Wikipedia

   en.wikipedia.org/wiki/SIM_Application_Toolkit

   STK has been deployed by many mobile operators around the world for many applications, often where a menu-based approach is required, such as Mobile Banking and content browsing. [1] Designed as a single application environment, the STK can be started during the initial power up of the SIM card [ 5 ] and is especially suited to low level ...

3. T-Mobile data breach - Wikipedia

   en.wikipedia.org/wiki/T-Mobile_data_breach

   T-Mobile US, Inc. is an American wireless network operator and is the second largest wireless carrier in the United States, with 127.5 million subscribers as of September 30, 2024. T-Mobile had previously suffered data breaches in 2009. 2015, 2017, 2018, 2019, and 2020. [2] [3]

4. T-Mobile US - Wikipedia

   en.wikipedia.org/wiki/T-Mobile_US

   T-Mobile stated that there are a small handful of users who abuse the tethering plan by altering device software and/or the use of an Android app that masks T-Mobile's ability monitoring whether data is on-smartphone, or through smartphone mobile hotspot (tethering) by mimicking all data as on-smartphone use, with some customers abusing the ...

5. eSIM - Wikipedia

   en.wikipedia.org/wiki/ESIM

   An eSIM (embedded SIM) is a form of SIM card that is embedded directly into a device as software installed onto a eUICC chip. First released in March 2016, eSIM is a global specification by the GSMA that enables remote SIM provisioning; end-users can change mobile network operators without the need to physically swap a SIM from the device.

6. Rooting (Android) - Wikipedia

   en.wikipedia.org/wiki/Rooting_(Android)

   Rooting allows the user to obtain privileged access to a phone. It does not allow a user to install a new OS (custom firmware or custom ROM) or recovery image, and it doesn't allow a phone that is locked to a certain carrier to be used on another one. Related operations allow these.

7. SIM card - Wikipedia

   en.wikipedia.org/wiki/SIM_card

   A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) 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).