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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.
The Apple SIM is a proprietary subscriber identity module (SIM) produced by Apple Inc. It is included in GPS + Cellular versions of the iPad Air 2 and later, iPad mini 3 and later, and iPad Pro.
An iPhone 4S that has been unlocked in this way will reject any non-international SIM cards (AT&T Mobility or T-Mobile USA, for example). The iPhone 5 and later iPhones use nano-SIM in order to save space internally. The iPhone XS and later iPhones added eSIM support in addition to nano-SIM, therefore they support Dual SIM functionality.
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).
Updating Android software is done over GSM where the SIM Toolkit may install automatically with new software regardless of automatic install applications.. Change in applications and menus stored on the SIM is difficult after the customer takes delivery of the SIM and sometimes may be recognized as surveillance software.
The iPhone XR (stylized and marketed as iPhone Xʀ; [11] Roman numeral "X" pronounced as "ten" [12]) is a smartphone developed and marketed by Apple Inc. It is part of the twelfth generation of the iPhone, alongside the higher-end iPhone XS/XS Max models. Pre-orders began on October 19, 2018, with the official release on October 26, 2018. [13]
In January 2017, StarHub switched embedded SIM (eSIM) on its 4G network to support devices that come without a physical SIM. [34] The Samsung Gear S3 Frontier (LTE) is the first eSIM wearable to be made available in Singapore.
Adds the ability for an iPhone XS, iPhone XS Max, or iPhone XR to detect if the battery installed is a genuine Apple battery; Adds a performance management feature to prevent sudden shutdowns for an iPhone 8, iPhone 8 Plus, or iPhone X, with the ability to disable this. Fixes bug that allows a remote attacker to forcefully initiate a FaceTime call.